EUVD-2026-14155
GHSA-58r6-ffpc-qpg6
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
Lifecycle Timeline
3Description
The Mandatory Field plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 1.6.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
Analysis
The Mandatory Field plugin for WordPress versions up to 1.6.8 contains a Stored Cross-Site Scripting (XSS) vulnerability in its admin settings due to insufficient input sanitization and output escaping. Authenticated administrators can inject arbitrary JavaScript that executes for all users accessing affected pages, but exploitation is limited to multi-site WordPress installations or those with unfiltered_html disabled. …
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Remediation
Within 30 days: Identify affected systems running for WordPress is vulnerable to Stored Cross-Site Scripting v 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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