EUVD-2026-16965
GHSA-p2h8-5v2r-2vg8
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Lifecycle Timeline
3Description
The Twentig plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'featuredImageSizeWidth' parameter in versions up to, and including, 1.9.7 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Analysis
Stored cross-site scripting (XSS) in Twentig Supercharged Block Editor plugin for WordPress versions up to 1.9.7 allows authenticated attackers with Contributor-level or higher privileges to inject arbitrary JavaScript via the 'featuredImageSizeWidth' parameter, which executes in the browsers of all users who view affected pages. The vulnerability stems from insufficient input sanitization and output escaping. …
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Remediation
Within 30 days: Identify affected systems running versions and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.
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External POC / Exploit Code
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