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TI-2025-03748 Aliases CVE-2025-4215GHSA-785g-r934-c877

gorhill uBlock Origin UI 1p-filters.js currentStateChanged redos

Priority MEDIUM 45CWE-1333Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Passive
Attack complexity
High
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-1333.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00789 56th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
gorhilluBlock Origin1.63.3b16—No fix listedCNA
  • uBlock Origin Vendorgorhill Affected 1.63.3b16 Fixed in — No fix listed CNA

CPE configurations NVD · 18

CPEVersionsRoleVendor
cpe:2.3:a:ublockorigin:ublock_origin:*:*:*:*:*:*:*:*before 1.63.3VulnerableUblockorigin
cpe:2.3:a:ublockorigin:ublock_origin:1.63.3:beta1:*:*:*:*:*:*1.63.3 beta1VulnerableUblockorigin
cpe:2.3:a:ublockorigin:ublock_origin:1.63.3:beta10:*:*:*:*:*:*1.63.3 beta10VulnerableUblockorigin
cpe:2.3:a:ublockorigin:ublock_origin:1.63.3:beta11:*:*:*:*:*:*1.63.3 beta11VulnerableUblockorigin
cpe:2.3:a:ublockorigin:ublock_origin:1.63.3:beta12:*:*:*:*:*:*1.63.3 beta12VulnerableUblockorigin
cpe:2.3:a:ublockorigin:ublock_origin:1.63.3:beta13:*:*:*:*:*:*1.63.3 beta13VulnerableUblockorigin
cpe:2.3:a:ublockorigin:ublock_origin:1.63.3:beta14:*:*:*:*:*:*1.63.3 beta14VulnerableUblockorigin
cpe:2.3:a:ublockorigin:ublock_origin:1.63.3:beta15:*:*:*:*:*:*1.63.3 beta15VulnerableUblockorigin
cpe:2.3:a:ublockorigin:ublock_origin:1.63.3:beta16:*:*:*:*:*:*1.63.3 beta16VulnerableUblockorigin
cpe:2.3:a:ublockorigin:ublock_origin:1.63.3:beta2:*:*:*:*:*:*1.63.3 beta2VulnerableUblockorigin
  • cpe:2.3:a:ublockorigin:ublock_origin:*:*:*:*:*:*:*:* Versions before 1.63.3 Vulnerable ·Ublockorigin
  • cpe:2.3:a:ublockorigin:ublock_origin:1.63.3:beta1:*:*:*:*:*:* Versions 1.63.3 beta1 Vulnerable ·Ublockorigin
  • cpe:2.3:a:ublockorigin:ublock_origin:1.63.3:beta10:*:*:*:*:*:* Versions 1.63.3 beta10 Vulnerable ·Ublockorigin
  • cpe:2.3:a:ublockorigin:ublock_origin:1.63.3:beta11:*:*:*:*:*:* Versions 1.63.3 beta11 Vulnerable ·Ublockorigin
  • cpe:2.3:a:ublockorigin:ublock_origin:1.63.3:beta12:*:*:*:*:*:* Versions 1.63.3 beta12 Vulnerable ·Ublockorigin
  • cpe:2.3:a:ublockorigin:ublock_origin:1.63.3:beta13:*:*:*:*:*:* Versions 1.63.3 beta13 Vulnerable ·Ublockorigin
  • cpe:2.3:a:ublockorigin:ublock_origin:1.63.3:beta14:*:*:*:*:*:* Versions 1.63.3 beta14 Vulnerable ·Ublockorigin
  • cpe:2.3:a:ublockorigin:ublock_origin:1.63.3:beta15:*:*:*:*:*:* Versions 1.63.3 beta15 Vulnerable ·Ublockorigin
  • cpe:2.3:a:ublockorigin:ublock_origin:1.63.3:beta16:*:*:*:*:*:* Versions 1.63.3 beta16 Vulnerable ·Ublockorigin
  • cpe:2.3:a:ublockorigin:ublock_origin:1.63.3:beta2:*:*:*:*:*:* Versions 1.63.3 beta2 Vulnerable ·Ublockorigin
Show 8 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:ublockorigin:ublock_origin:1.63.3:beta3:*:*:*:*:*:*1.63.3 beta3VulnerableUblockorigin
cpe:2.3:a:ublockorigin:ublock_origin:1.63.3:beta4:*:*:*:*:*:*1.63.3 beta4VulnerableUblockorigin
cpe:2.3:a:ublockorigin:ublock_origin:1.63.3:beta5:*:*:*:*:*:*1.63.3 beta5VulnerableUblockorigin
cpe:2.3:a:ublockorigin:ublock_origin:1.63.3:beta6:*:*:*:*:*:*1.63.3 beta6VulnerableUblockorigin
cpe:2.3:a:ublockorigin:ublock_origin:1.63.3:beta7:*:*:*:*:*:*1.63.3 beta7VulnerableUblockorigin
cpe:2.3:a:ublockorigin:ublock_origin:1.63.3:beta8:*:*:*:*:*:*1.63.3 beta8VulnerableUblockorigin
cpe:2.3:a:ublockorigin:ublock_origin:1.63.3:beta9:*:*:*:*:*:*1.63.3 beta9VulnerableUblockorigin
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*11.0VulnerableDebian
  • cpe:2.3:a:ublockorigin:ublock_origin:1.63.3:beta3:*:*:*:*:*:* Versions 1.63.3 beta3 Vulnerable ·Ublockorigin
  • cpe:2.3:a:ublockorigin:ublock_origin:1.63.3:beta4:*:*:*:*:*:* Versions 1.63.3 beta4 Vulnerable ·Ublockorigin
  • cpe:2.3:a:ublockorigin:ublock_origin:1.63.3:beta5:*:*:*:*:*:* Versions 1.63.3 beta5 Vulnerable ·Ublockorigin
  • cpe:2.3:a:ublockorigin:ublock_origin:1.63.3:beta6:*:*:*:*:*:* Versions 1.63.3 beta6 Vulnerable ·Ublockorigin
  • cpe:2.3:a:ublockorigin:ublock_origin:1.63.3:beta7:*:*:*:*:*:* Versions 1.63.3 beta7 Vulnerable ·Ublockorigin
  • cpe:2.3:a:ublockorigin:ublock_origin:1.63.3:beta8:*:*:*:*:*:* Versions 1.63.3 beta8 Vulnerable ·Ublockorigin
  • cpe:2.3:a:ublockorigin:ublock_origin:1.63.3:beta9:*:*:*:*:*:* Versions 1.63.3 beta9 Vulnerable ·Ublockorigin
  • cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Debian

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-4215
  2. 2026-10-03 Alias added: GHSA-785g-r934-c877

References

Exploit 1

Patch 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences