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TI-2025-02076 Aliases CVE-2025-2361GHSA-4hg3-3xxj-v749

Mercurial SCM Web Interface cross site scripting

Priority LOW 25CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting, Code execution
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79 and CWE-94.

Summary

A vulnerability was found in Mercurial SCM 4.5.3/71.19.145.211. It has been declared as problematic. This vulnerability affects unknown code of the component Web Interface. The manipulation of the argument cmd leads to cross site scripting. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00521 44th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
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
MercurialSCM4.5.3; 71.19.145.211—No fix listedCNA
  • SCM VendorMercurial Affected 4.5.3; 71.19.145.211 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-2361
  2. 2026-10-03 Alias added: GHSA-4hg3-3xxj-v749

References

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  • TI-2014-07619 Git before 1.8.5.6, 1.9.x before 1.9.5, 2.0.x before 2.0.5, 2.1.x before 2.1.4, and 2.2.x… CVSS 3.1CRITICAL 9.8
  • TI-2017-06870 In Mercurial before 4.1.3, "hg serve --stdio" allows remote authenticated users to launch… CVSS 3.1HIGH 8.8
  • TI-2017-14453 Mercurial prior to 4.3 did not adequately sanitize hostnames passed to ssh, leading to possible shell-injection attacks. CVSS 3.0CRITICAL 9.8
  • TI-2017-12752 In Mercurial before 4.4.1, it is possible that a specially malformed repository can cause… CVSS 3.0CRITICAL 9.8
  • TI-2018-09592 mpatch.c in Mercurial before 4.6.1 mishandles integer addition and subtraction, aka OVE-20180430-0002. CVSS 3.0CRITICAL 9.8
  • TI-2016-03079 The binary delta decoder in Mercurial before 3.7.3 allows remote attackers to execute… CVSS 3.1HIGH 8.8
See all 19 →

Sources