CVE-2026-12980mediumCWE-79

CVE-2026-12980: medium-severity vulnerability in Post Snippets

Post Snippets <= 4.2.4 - Contributor+ Stored XSS via Snippet Variable

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33Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 6.8epss 0.3%
The Post Snippets WordPress plugin through 4.2.4 does not properly escape variable values substituted into snippets before outputting them, allowing users with the Contributor role and above to inject arbitrary web scripts that execute when the content is viewed.
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Affected products
Unknown · Post Snippets
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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CVE-2021-25010—Post Snippets < 3.1.4 - CSRF to Stored Cross-Site ScriptingEPSS 0.6%