CVE-2025-4215: gorhill uBlock Origin UI 1p-filters.js currentStateChanged redos
First published: Fri May 02 2025(Updated: )
A vulnerability was found in gorhill uBlock Origin up to 1.63.3b16. It has been classified as problematic. Affected is the function currentStateChanged of the file src/js/1p-filters.js of the component UI. The manipulation leads to inefficient regular expression complexity. It is possible to launch the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 1.63.3b17 is able to address this issue. The patch is identified as eaedaf5b10d2f7857c6b77fbf7d4a80681d4d46c. It is recommended to upgrade the affected component.
Credit: cna@vuldb.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| uBlock Origin | <1.63.3b16 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2025-4215?
CVE-2025-4215 has been classified as problematic due to its potential to cause inefficient regular expression complexity.
How do I fix CVE-2025-4215?
To mitigate CVE-2025-4215, users should update uBlock Origin to a version newer than 1.63.3b16.
What software is affected by CVE-2025-4215?
CVE-2025-4215 affects uBlock Origin versions up to and including 1.63.3b16.
What is the cause of CVE-2025-4215?
CVE-2025-4215 is caused by inefficient regular expression complexity in the currentStateChanged function of the uBlock Origin UI.
Can CVE-2025-4215 be exploited remotely?
Yes, CVE-2025-4215 can potentially be exploited through crafted input to the affected UI component.
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