Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2025-4215— gorhill uBlock Origin UI 1p-filters.js currentStateChanged redos

Quick assessment

Affected
gorhill uBlock Origin
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

uBlock Origin（uBO）是Raymond Hill个人开发者的一个uBlock Origin-Chromium和Firefox的高效拦截器。 uBlock Origin 1.63.3b16及之前版本存在安全漏洞，该漏洞源于正则表达式复杂性不当，可能导致拒绝服务攻击。

CVSS 3.1 · Low EPSS 0.79% · P56
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2025-4215

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
gorhill uBlock Origin UI 1p-filters.js currentStateChanged redos
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1333
Source: CVE Program / CVE List V5
Vulnerability Title
uBlock Origin 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
uBlock Origin（uBO）是Raymond Hill个人开发者的一个uBlock Origin-Chromium和Firefox的高效拦截器。 uBlock Origin 1.63.3b16及之前版本存在安全漏洞，该漏洞源于正则表达式复杂性不当，可能导致拒绝服务攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
gorhill uBlock Origin 1.63.3b16 -

II. Public POCs for CVE-2025-4215

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2025-4215

请登录查看更多情报信息。

Patches & Fixes for CVE-2025-4215 (1)

Vendor Advisories for CVE-2025-4215 (2)

Other References for CVE-2025-4215 (1)

IV. Related Vulnerabilities

Same weakness: CWE-1333

V. Comments for CVE-2025-4215

No comments yet

Leave a comment