Vulnerability · Published Oct 17, 2025 · Assigned by wikimedia-foundation

CVE-2025-62653Stored XSS through system messages in PollNY

Low 2.0

In plain English

A low-severity cross-site scripting in MediaWiki PollNY extension from The Wikimedia Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 24% of all known vulnerabilities).

Severity (CVSS 4.0)2.0Low
Exploit odds (30 days)0.3%top 76.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation MediaWiki PollNY extension allows Stored XSS.This issue affects MediaWiki PollNY extension: 1.39, 1.43, 1.44.

Affected products (as reported)

VendorProductVersions
The Wikimedia Foundation MediaWiki PollNY extension 1.391.431.44

Weakness: CWE-79 · Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/S:N/AU:N/R:U/V:C/RE:M/U:Amber

References