CVE-2025-4215

LOW EPSS 41.7%
Published May 2, 20251y ago · Modified Jun 17, 20262w ago
2.3 CVSS 4.0
Low
Find Similar
Published May 2, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

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 Details

Base Score
2.3
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction P
Scope X

Threat Intelligence

EPSS Exploit Probability
41.7% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 2

CWE-1333
CWE-400 Uncontrolled Resource Consumption Resource Mgmt

Affected Products 18

VendorProductVersionRange
ublockoriginublock_origin* <1.63.3
ublockoriginublock_origin1.63.3any
ublockoriginublock_origin1.63.3any
ublockoriginublock_origin1.63.3any
ublockoriginublock_origin1.63.3any
ublockoriginublock_origin1.63.3any
ublockoriginublock_origin1.63.3any
ublockoriginublock_origin1.63.3any
ublockoriginublock_origin1.63.3any
ublockoriginublock_origin1.63.3any
ublockoriginublock_origin1.63.3any
ublockoriginublock_origin1.63.3any
ublockoriginublock_origin1.63.3any
ublockoriginublock_origin1.63.3any
ublockoriginublock_origin1.63.3any
ublockoriginublock_origin1.63.3any
ublockoriginublock_origin1.63.3any
debiandebian_linux11.0any

References 6

  • github.com https://github.com/gorhill/uBlock/commit/eaedaf5b10d2f7857c6b77fbf7d4a80681d4d46c
    ExploitPatch
  • github.com https://github.com/gorhill/uBlock/releases/tag/1.63.3b17
    Release Notes
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/06/msg00013.html
    Mailing List
  • vuldb.com https://vuldb.com/?ctiid.307194
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?id.307194
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.562301
    Third Party AdvisoryVDB Entry

Remediation

  • github.com https://github.com/gorhill/uBlock/commit/eaedaf5b10d2f7857c6b77fbf7d4a80681d4d46c
    ExploitPatch