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VulnerabilityPublished

CVE-2025-13533: CSS & JavaScript Toolbox (WordPress plugin) · Cross-site Scripting

Affects CSS & JavaScript Toolbox (WordPress plugin)Source CVE Database V5

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Not known to be exploited · CVSS 4.4 Medium.

Data as of 2 Nov 2026, 22:57 UTC

CVSS 3.1 base score
4.4Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 23% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 18 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
wipeoutmediaCSS & JavaScript ToolboxAffected
  • <=12.0.6
Fixed in–

AI-suggested

Until a fix is available, restrict Administrator-level access to trusted users only and consider monitoring for suspicious activity related to the plugin's assignment fields. Avoid using the vulnerable plugin versions or disable the plugin if possible until remediation is provided.

Description

The CSS & JavaScript Toolbox plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 12.0.6 via the Assignment Engine fields. This is due to insufficient input sanitization and output escaping on assignment data fields including Expressions, URLs, and Advanced assignment data. This makes it possible for authenticated attackers, with Administrator-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses the CJT block edit screen in the admin dashboard.

References

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