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Plugin 2 known issues Latest disclosed Jun 13, 2021

Async JavaScript Vulnerabilities

Review known vulnerability records for the WordPress plugin Async JavaScript (`async-javascript`), including severity, CVE references, affected versions, and patch status.

Recent tracked CVEs on this page include CVE-2020-36854, so operators can jump from disclosure to patch validation without scanning the full feed first.

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Known Records
2
High or Critical
0
Patch Coverage
100%
Last Updated
Oct 18, 2025
Related Security Guides

Use these guides while reviewing Async JavaScript fixes

Pair this plugin vulnerability hub with practical WordPress hardening, scanner, and patch workflow guidance.

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

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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 Async JavaScript 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 async-javascript before acting on any CVE from this cluster.
2. Sort by Severity
Start with 0 high or critical records, then review medium and unrated findings with public references.
3. Check Patch Evidence
2 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-2020-36854 Medium
Stored Cross-Site Scripting remediation for Async JavaScript

Affected range: Versions before 2.20.02.27. Fixed version: 2.20.02.27.

Priority CVE Quick Links

Fast paths into Async JavaScript 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-2020-36854
Async JavaScript <= 2.19.07.14 - Authenticated (Subscriber+) Stored Cross-Site Scrip...
 Stored Cross-Site Scripting Versions before 2.20.02.27 2.20.02.27 CVSS 6.4
CVE-2020-36854 Medium 2.20.02.27
CVE-2020-36854 Async JavaScript Stored Cross-Site Scripting

Async JavaScript <= 2.19.07.14 - Authenticated (Subscriber+) Stored Cross-Site Scripting

Coverage Snapshot

What this page helps you verify fast

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

Patch Visibility
2 records include a published patch path, leaving 0 with no listed safe release yet.
Severity Mix
0 critical and 0 high severity findings.
Recent CVEs
CVE-2020-36854
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 Async JavaScript

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

Plugin Medium Patched: Yes
Async Javascript <= 2.20.12.09 - Authenticated (Admin+) Cross-Site Scripting

The Async Javascript plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the '&aj_gtmetrix_username=' and '&aj_gtmetrix_api_key=' parameters in versions up to, and including, 2.20.12.09 due to insufficient input sanitization and output escaping. This makes it po...

Published
Jun 13, 2021
Patched Release
2.21.06.29
Affected Versions
Versions up to 2.20.12.09
Next Step
Update to 2.21.06.29 or newer if supported.
Review Async JavaScript vulnerability details
Plugin Medium Patched: Yes CVE-2020-36854
CVE-2020-36854: Async JavaScript <= 2.19.07.14 - Authenticated (Subscriber+) Stored Cross-Site Scripting

The Async JavaScript plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 2.19.07.14. This is due to missing authorization checks on the aj_steps AJAX aciton along with a lack on sanitization on the settings saved via the function. T...

Published
Feb 27, 2020
Patched Release
2.20.02.27
Affected Versions
Versions before 2.20.02.27
Next Step
Update to 2.20.02.27 or newer if supported.
Review CVE-2020-36854 fixed version details Open CVE Reference