CVE-2026-58038

MEDIUM

Stored XSS through javascript URLs in SVGs generated by EasyTimeline

Title source: cna

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation timeline. This vulnerability is associated with program files includes/Timeline.Php, scripts/EasyTimeline.Pl. This issue affects timeline: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.

References (1)

Core 1

Core References

https://phabricator.wikimedia.org/T427611

Scores

CVSS v3 6.1

EPSS 0.0017

EPSS Percentile 6.5%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-79

Status published

Products (3)

mediawiki/mediawiki 1.46.0 rc0

mediawiki/mediawiki 1.43.0 - 1.43.9

Wikimedia Foundation/timeline < 1.46.0, 1.45.4, 1.44.6, 1.43.9

Published Jul 01, 2026

Tracked Since Jul 01, 2026