CVE-2025-4215
3.1 · LOWOverview
CVE-2025-4215 is a low-severity vulnerability affecting ublockorigin ublock_origin. It was published on May 2, 2025 and has a CVSS 3.1 base score of 3.1 (LOW).
This vulnerability has a CVSS 3.1 base score of 3.1, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
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.
Remediation
Check the references section for vendor advisories and patches from ublockorigin. Update ublock_origin to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| ublockorigin | ublock_origin | >= 0, < 1.63.3 | Affected |
References
Frequently Asked Questions
What is CVE-2025-4215?
CVE-2025-4215 is a low-severity vulnerability affecting ublockorigin ublock_origin. It was published on May 2, 2025 and has a CVSS 3.1 base score of 3.1 (LOW).
How severe is CVE-2025-4215?
This vulnerability has a CVSS 3.1 base score of 3.1, rated LOW. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2025-4215?
Check the references section for vendor advisories and patches from ublockorigin. Update ublock_origin to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2025-4215?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-4215 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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