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Plugin 9 known issues Latest disclosed Nov 10, 2025

Blocksy Companion Vulnerabilities

Review known vulnerability records for the WordPress plugin Blocksy Companion (`blocksy-companion`), including severity, CVE references, affected versions, and patch status.

Recent tracked CVEs on this page include CVE-2025-12846, CVE-2025-12475 and CVE-2025-9565, so operators can jump from disclosure to patch validation without scanning the full feed first.

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Known Records
9
High or Critical
1
Patch Coverage
100%
Last Updated
Nov 11, 2025
Related Security Guides

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Hardening
WordPress hardening checklist for exposed plugins

Review patch cadence, privileged access, XML-RPC exposure, backups, and monitoring controls.
Plugin Security
WordPress plugin security basics for patch decisions

Use ownership, update testing, least privilege, and removal criteria to reduce plugin risk.
Scanning
WordPress vulnerability scanner buyer's guide

Compare scanner coverage for plugin CVEs, version detection, alert noise, and remediation workflow.
Patch Decision Workflow

How to prioritize Blocksy Companion remediation

Use the hub as a decision layer before opening individual records: confirm whether the issue has a CVE, whether a fixed version exists, and whether the affected range overlaps production installs.

Search-Ready Records
9
1. Match the Package
Confirm the installed WordPress plugin slug is blocksy-companion before acting on any CVE from this cluster.
2. Sort by Severity
Start with 1 high or critical record, then review medium and unrated findings with public references.
3. Check Patch Evidence
9 records include a patch path; verify compatibility before closing the finding.
4. Monitor Gaps
0 records still lack a listed fixed release, so keep this hub in the review queue.
High-Signal Remediation Targets
CVE-2025-12846 High
Remote Code Execution remediation for Blocksy Companion

Affected range: Versions up to 2.1.19. Fixed version: 2.1.20.

CVE-2025-12475 Medium
Stored Cross-Site Scripting remediation for Blocksy Companion

Affected range: Versions up to 2.1.14. Fixed version: 2.1.15.

CVE-2025-9565 Medium
Stored Cross-Site Scripting remediation for Blocksy Companion

Affected range: Versions up to 2.1.10. Fixed version: 2.1.11.

CVE-2024-4487 Medium
Stored Cross-Site Scripting remediation for Blocksy Companion

Affected range: Versions up to 2.0.45. Fixed version: 2.0.46.

Priority CVE Quick Links

Fast paths into Blocksy Companion CVE reports

Start with the highest-signal CVE records for this WordPress plugin before scanning the full vulnerability feed.

Indexed CVEs
9
Tracked CVE Issue Type Affected Versions Fixed Version CVSS
CVE-2025-12846
Blocksy Companion <= 2.1.19 - Authenticated (Author+) Arbitrary File Upload via SVG...
 Remote Code Execution Versions up to 2.1.19 2.1.20 CVSS 8.8
CVE-2025-12475
Blocksy Companion <= 2.1.14 - Authenticated (Contributor+) Stored Cross-Site Scripti...
 Stored Cross-Site Scripting Versions up to 2.1.14 2.1.15 CVSS 6.4
CVE-2025-9565
Blocksy Companion <= 2.1.10 - Authenticated (Contributor+) Stored Cross-Site Scripti...
 Stored Cross-Site Scripting Versions up to 2.1.10 2.1.11 CVSS 6.4
CVE-2024-4487
Blocksy Companion <= 2.0.45 - Authenticated (Contributor+) Stored Cross-Site Scripti...
 Stored Cross-Site Scripting Versions up to 2.0.45 2.0.46 CVSS 6.4
CVE-2024-2392
Blocksy Companion <= 2.0.31 - Authenticated (Contributor+) Stored Cross-Site Scripti...
 Stored Cross-Site Scripting Versions up to 2.0.31 2.0.32 CVSS 6.4
CVE-2023-23898
Blocksy Companion <= 1.8.67 - Authenticated (Contributor+) Stored Cross-Site Scripti...
 Stored Cross-Site Scripting Versions before 1.8.68 1.8.68 CVSS 6.4
CVE-2024-35633
Blocksy Companion <= 2.0.42 - Authenticated (Admin+) Server-Side Request Forgery
 Server-Side Request Forgery Versions up to 2.0.42 2.0.43 CVSS 5.5
CVE-2024-31932
Blocksy Companion <= 2.0.28 - Cross-Site Request Forgery
 Cross-Site Request Forgery Versions up to 2.0.28 2.0.29 CVSS 5.3
CVE-2025-12846 High 2.1.20
CVE-2025-12846 Blocksy Companion Remote Code Execution

Blocksy Companion <= 2.1.19 - Authenticated (Author+) Arbitrary File Upload via SVG Upload Bypass

CVE-2025-12475 Medium 2.1.15
CVE-2025-12475 Blocksy Companion Stored Cross-Site Scripting

Blocksy Companion <= 2.1.14 - Authenticated (Contributor+) Stored Cross-Site Scripting

CVE-2025-9565 Medium 2.1.11
CVE-2025-9565 Blocksy Companion Stored Cross-Site Scripting

Blocksy Companion <= 2.1.10 - Authenticated (Contributor+) Stored Cross-Site Scripting via blocksy_newsletter_subscribe Shortcode

CVE-2024-4487 Medium 2.0.46
CVE-2024-4487 Blocksy Companion Stored Cross-Site Scripting

Blocksy Companion <= 2.0.45 - Authenticated (Contributor+) Stored Cross-Site Scripting via SVG Uploads

CVE-2024-2392 Medium 2.0.32
CVE-2024-2392 Blocksy Companion Stored Cross-Site Scripting

Blocksy Companion <= 2.0.31 - Authenticated (Contributor+) Stored Cross-Site Scripting

CVE-2023-23898 Medium 1.8.68
CVE-2023-23898 Blocksy Companion Stored Cross-Site Scripting

Blocksy Companion <= 1.8.67 - Authenticated (Contributor+) Stored Cross-Site Scripting

CVE-2024-35633 Medium 2.0.43
CVE-2024-35633 Blocksy Companion Server-Side Request Forgery

Blocksy Companion <= 2.0.42 - Authenticated (Admin+) Server-Side Request Forgery

CVE-2024-31932 Medium 2.0.29
CVE-2024-31932 Blocksy Companion Cross-Site Request Forgery

Blocksy Companion <= 2.0.28 - Cross-Site Request Forgery

Coverage Snapshot

What this page helps you verify fast

This hub clusters tracked records for Blocksy Companion so operators can confirm whether a disclosed issue maps to the installed slug, version range, and patch path.

Patch Visibility
9 records include a published patch path, leaving 0 with no listed safe release yet.
Severity Mix
0 critical and 1 high severity finding.
Recent CVEs
CVE-2025-12846, CVE-2025-12475 and CVE-2025-9565
Reference Workflow
Jump from the hub into the full report when you need remediation notes, exploit context, CVSS vectors, or source references.
Triage First

Open the records most likely to drive action

These recent records surface the CVE strings, patch cues, and direct report links most operators need first.

Known Vulnerabilities

Reports for Blocksy Companion

Sorted by latest disclosure date so newly published issues surface first.

Plugin High Patched: Yes CVE-2025-12846
CVE-2025-12846: Blocksy Companion <= 2.1.19 - Authenticated (Author+) Arbitrary File Upload via SVG Upload Bypass

The Blocksy Companion plugin for WordPress is vulnerable to authenticated arbitrary file upload in all versions up to, and including, 2.1.19. This is due to insufficient file type validation detecting SVG files, allowing double extension files to bypass sanitization while being a...

Published
Nov 10, 2025
Patched Release
2.1.20
Affected Versions
Versions up to 2.1.19
Next Step
Update to 2.1.20 or newer if supported.
Review CVE-2025-12846 fixed version details Open CVE Reference
Plugin Medium Patched: Yes CVE-2025-12475
CVE-2025-12475: Blocksy Companion <= 2.1.14 - Authenticated (Contributor+) Stored Cross-Site Scripting

The Blocksy Companion plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'blocksy_newsletter_subscribe' shortcode in all versions up to, and including, 2.1.14 due to insufficient input sanitization and output escaping on user supplied attributes. T...

Published
Oct 06, 2025
Patched Release
2.1.15
Affected Versions
Versions up to 2.1.14
Next Step
Update to 2.1.15 or newer if supported.
Review CVE-2025-12475 fixed version details Open CVE Reference
Plugin Medium Patched: Yes CVE-2025-9565
CVE-2025-9565: Blocksy Companion <= 2.1.10 - Authenticated (Contributor+) Stored Cross-Site Scripting via blocksy_newsletter_subscribe Shortcode

The Blocksy Companion plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's blocksy_newsletter_subscribe shortcode in all versions up to, and including, 2.1.10 due to insufficient input sanitization and output escaping on user supplied attributes. Thi...

Published
Sep 16, 2025
Patched Release
2.1.11
Affected Versions
Versions up to 2.1.10
Next Step
Update to 2.1.11 or newer if supported.
Review CVE-2025-9565 fixed version details Open CVE Reference
Plugin Medium Patched: Yes CVE-2024-35633
CVE-2024-35633: Blocksy Companion <= 2.0.42 - Authenticated (Admin+) Server-Side Request Forgery

The Blocksy Companion plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 2.0.42. This makes it possible for authenticated attackers, with Administrator-level access and above, to make web requests to arbitrary locations origina...

Published
May 30, 2024
Patched Release
2.0.43
Affected Versions
Versions up to 2.0.42
Next Step
Update to 2.0.43 or newer if supported.
Review CVE-2024-35633 fixed version details Open CVE Reference
Plugin Medium Patched: Yes CVE-2024-4487
CVE-2024-4487: Blocksy Companion <= 2.0.45 - Authenticated (Contributor+) Stored Cross-Site Scripting via SVG Uploads

The Blocksy Companion plugin for WordPress is vulnerable to Stored Cross-Site Scripting via SVG uploads in versions up to, and including, 2.0.45 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level...

Published
May 10, 2024
Patched Release
2.0.46
Affected Versions
Versions up to 2.0.45
Next Step
Update to 2.0.46 or newer if supported.
Review CVE-2024-4487 fixed version details Open CVE Reference
Plugin Medium Patched: Yes CVE-2024-31932
CVE-2024-31932: Blocksy Companion <= 2.0.28 - Cross-Site Request Forgery

The Blocksy Companion plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.0.28. This is due to missing or incorrect nonce validation on several functions. This makes it possible for unauthenticated attackers to perform unauthor...

Published
Apr 10, 2024
Patched Release
2.0.29
Affected Versions
Versions up to 2.0.28
Next Step
Update to 2.0.29 or newer if supported.
Review CVE-2024-31932 fixed version details Open CVE Reference
Plugin Medium Patched: Yes CVE-2024-2392
CVE-2024-2392: Blocksy Companion <= 2.0.31 - Authenticated (Contributor+) Stored Cross-Site Scripting

The Blocksy Companion plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's Newsletter widget in all versions up to, and including, 2.0.31 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible f...

Published
Mar 21, 2024
Patched Release
2.0.32
Affected Versions
Versions up to 2.0.31
Next Step
Update to 2.0.32 or newer if supported.
Review CVE-2024-2392 fixed version details Open CVE Reference
Plugin Medium Patched: Yes CVE-2023-1911
CVE-2023-1911: Blocksy Companion <= 1.8.81 - Authenticated(Subscriber+) Sensitive Information Exposure via blocksy_posts shortcode

The Blocksy Companion plugin for WordPress is vulnerable to Sensitive Information Exposure in versions up to, and including, 1.8.81 via the blocksy_posts shortcode. This can allow authenticated attackers with subscriber-level permissions or above to extract sensitive data includi...

Published
Apr 10, 2023
Patched Release
1.8.82
Affected Versions
Versions up to 1.8.81
Next Step
Update to 1.8.82 or newer if supported.
Review CVE-2023-1911 fixed version details Open CVE Reference
Plugin Medium Patched: Yes CVE-2023-23898
CVE-2023-23898: Blocksy Companion <= 1.8.67 - Authenticated (Contributor+) Stored Cross-Site Scripting

The Blocksy Companion plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's blocksy_posts shortcode in versions up to, and including, 1.8.67 due to insufficient input sanitization and output escaping on user supplied 'class' attribute. This makes it p...

Published
Jan 27, 2023
Patched Release
1.8.68
Affected Versions
Versions before 1.8.68
Next Step
Update to 1.8.68 or newer if supported.
Review CVE-2023-23898 fixed version details Open CVE Reference