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Plugin 4 known issues Latest disclosed Aug 11, 2015

WordPress Share Buttons Plugin – AddThis Vulnerabilities

Review known vulnerability records for the WordPress plugin WordPress Share Buttons Plugin – AddThis (`addthis`), including severity, CVE references, affected versions, and patch status.

Recent tracked CVEs on this page include CVE-2015-9439, so operators can jump from disclosure to patch validation without scanning the full feed first.

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Known Records
4
High or Critical
1
Patch Coverage
100%
Last Updated
Jan 22, 2024
Related Security Guides

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Hardening
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Plugin Security
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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 WordPress Share Buttons Plugin – AddThis 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
1
1. Match the Package
Confirm the installed WordPress plugin slug is addthis 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
4 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-2015-9439 Medium
Cross-Site Scripting remediation for WordPress Share Buttons Plugin – AddThis

Affected range: Versions before 5.0.13. Fixed version: 5.0.13.

Priority CVE Quick Links

Fast paths into WordPress Share Buttons Plugin – AddThis CVE reports

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

Indexed CVEs
1
Tracked CVE Issue Type Affected Versions Fixed Version CVSS
CVE-2015-9439
AddThis Sharing Buttons <= 5.0.12 - Authenticated Cross-Site Scripting
 Cross-Site Scripting Versions before 5.0.13 5.0.13 CVSS 4.8
CVE-2015-9439 Medium 5.0.13
CVE-2015-9439 WordPress Share Buttons Plugin – AddThis Cross-Site Scripting

AddThis Sharing Buttons <= 5.0.12 - Authenticated Cross-Site Scripting

Coverage Snapshot

What this page helps you verify fast

This hub clusters tracked records for WordPress Share Buttons Plugin – AddThis so operators can confirm whether a disclosed issue maps to the installed slug, version range, and patch path.

Patch Visibility
4 records include a published patch path, leaving 0 with no listed safe release yet.
Severity Mix
1 critical and 0 high severity findings.
Recent CVEs
CVE-2015-9439
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 WordPress Share Buttons Plugin – AddThis

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

Plugin Medium Patched: Yes
AddThis <= 5.0.12 - Cross-Site Scripting

The AddThis plugin for WordPress is vulnerable to Cross-Site Scripting in versions up to, and including, 5.0.12 due to insufficient input sanitization and output escaping. This makes it possible for attackers to inject arbitrary web scripts that execute in a victim's browser.

Published
Aug 11, 2015
Patched Release
5.0.13
Affected Versions
Versions before 5.0.13
Next Step
Update to 5.0.13 or newer if supported.
Review WordPress Share Buttons Plugin – AddThis vulnerability details
Plugin Medium Patched: Yes CVE-2015-9439
CVE-2015-9439: AddThis Sharing Buttons <= 5.0.12 - Authenticated Cross-Site Scripting

The addthis plugin before 5.0.13 for WordPress has CSRF with resultant XSS via the wp-admin/options-general.php?page=addthis_social_widget pubid parameter.

Published
Aug 11, 2015
Patched Release
5.0.13
Affected Versions
Versions before 5.0.13
Next Step
Update to 5.0.13 or newer if supported.
Review CVE-2015-9439 fixed version details Open CVE Reference
Plugin Medium Patched: Yes
AddThis <= 5.0.2 - Authenticated Stored Cross-Site Scripting

The AddThis plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘at_async_loading’ AJAX action in versions up to, and including, 5.0.2 due to insufficient input sanitization and output escaping. This makes it possible for Subscriber-level attackers to inject...

Published
Jun 10, 2015
Patched Release
5.0.3
Affected Versions
Versions before 5.0.3
Next Step
Update to 5.0.3 or newer if supported.
Review WordPress Share Buttons Plugin – AddThis vulnerability details
Plugin Critical Patched: Yes
WordPress Share Buttons Plugin – AddThis < 2.2.0 - Code Injection

The WordPress Share Buttons Plugin – AddThis for WordPress is vulnerable to code injection in versions up to, and including, 2.1.3. This is due to a backdoor vulnerability. This makes it possible for attackers to execute arbitrary code via the plugin.

Published
Jun 21, 2011
Patched Release
2.2.0
Affected Versions
Versions before 2.2.0
Next Step
Update to 2.2.0 or newer if supported.
Review WordPress Share Buttons Plugin – AddThis vulnerability details