WordPress Custom CSS Plugin <= 1.4.0 is vulnerable to a medium priority Broken Access Control
Medium priority Mitigation available
<= 1.4.0Vulnerable version(s)
No official fix availableFixed version
8 Oct, 2025
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CVSS 6.5This vulnerability is moderately dangerous and expected to become exploited.
6.5
Broken Access Control
A broken access control issue refers to a missing authorization, authentication or nonce token check in a function that could lead to an unprivileged user to executing a certain higher privileged action.
CVSS score is a way to evaluate and rank reported vulnerabilities in a standardized and repeatable way but which is not ideal for WordPress.
Solutions
We advise to mitigate or resolve the vulnerability immediately.
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Timeline
21 Oct, 2025