1.2

CVE-2026-103585: the wikimedia foundation mediawiki mediasearch extension

CVSS: 1.2v4.0LowAwaiting analysis
Published 30-09-2026Last modified 01-10-2026

Vulnerability summary

CVE-2026-103585 is a low (CVSS 1.2) vulnerability in the wikimedia foundation mediawiki mediasearch extension. EPSS estimates a 0.30% chance of exploitation in the next 30 days, higher than 21.7% of scored vulnerabilities.

Overall risk
5/100
0100
Minimal · default modelHow is this calculated?
CVSS score
1.2/10
010
Low · v4.0 (CVE.org)
EPSS score
0.30%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 30-09-2026
    PublishedVulnerability first disclosed.
  2. 01-10-2026
    Last modifiedVulnerability information updated.

Description

Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki MediaSearch extension allows Cross-Site Scripting (XSS). This issue affects MediaWiki MediaSearch extension: 1.46, 1.45, and 1.43.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.30%

Chance of exploitation in the next 30 days

Percentile

22%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

02-10-202622-10-2026
EPSS score
0.30%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

The wikimedia foundation1 product

1 vendor · 1 product

References

2 links