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CVE-2025-4215

3.1 · LOW

A vulnerability was found in gorhill uBlock Origin up to 1.63.3b16.

Published May 2, 2025CWE-400EPSS 0.79%

Overview

CVE-2025-4215 is a low-severity vulnerability. 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, patches, and mitigation guidance. 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.

References

GitHubgithub.com/gorhill/uBlock/commit/eaedaf5b10d2f7857c6b77fbf7d4a80681d4d46cGitHubgithub.com/gorhill/uBlock/releases/tag/1.63.3b17Refvuldb.com/?ctiid.307194Refvuldb.com/?id.307194Refvuldb.com/?submit.562301Reflists.debian.org/debian-lts-announce/2025/06/msg00013.htmlGitHubgithub.com/gorhill/uBlock/commit/eaedaf5b10d2f7857c6b77fbf7d4a80681d4d46c

How CyberStrike helps

Frequently asked questions

What is CVE-2025-4215?

CVE-2025-4215 is a low-severity vulnerability. 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, patches, and mitigation guidance. 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 is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-4215 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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