CVE-2025-2361: Mercurial SCM Web Interface cross site scripting

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-03-17 · updated 2026-06-17
Weakness: CWE-79

Description

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.

Affected products

Mercurial SCM: 4.5.3, 71.19.145.211

References

https://vuldb.com/?ctiid.299860
https://vuldb.com/?id.299860
https://vuldb.com/?submit.514024
http://www.openwall.com/lists/oss-security/2025/03/21/2
https://lists.debian.org/debian-lts-announce/2025/03/msg00020.html

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