CVE-2025-4215

LOW
Published May 2, 2025 Modified Jun 17, 2025 CWE-400 CWE-1333

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.

CVSS v3.1 Score

3.1
LOW
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L

Weakness Type (CWE)

CWE-400 Uncontrolled Resource Consumption
CWE-1333 CWE-1333

Affected Products

Vendor Product
ublockorigin ublock_origin
ublockorigin ublock_origin
ublockorigin ublock_origin
ublockorigin ublock_origin
ublockorigin ublock_origin
ublockorigin ublock_origin
ublockorigin ublock_origin
ublockorigin ublock_origin
ublockorigin ublock_origin
ublockorigin ublock_origin
ublockorigin ublock_origin
ublockorigin ublock_origin
ublockorigin ublock_origin
ublockorigin ublock_origin
ublockorigin ublock_origin
ublockorigin ublock_origin
ublockorigin ublock_origin
debian debian_linux

References

Frequently Asked Questions

What is CVE-2025-4215? +
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. It has a CVSS v3.1 base score of 3.1 (LOW).
How severe is CVE-2025-4215? +
CVE-2025-4215 has a CVSS v3.1 score of 3.1 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.
What products are affected by CVE-2025-4215? +
CVE-2025-4215 affects products from debian, ublockorigin, specifically: debian_linux, ublock_origin. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-4215? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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