8.8

CVE-2025-11175: the wikimedia foundation mediawiki - discussiontools extension Expression Language Injection

CVSS: 8.8v4.0HighDeferred
AliasesUBUNTU-CVE-2025-11175DEBIAN-CVE-2025-11175
Published 30-01-2026Last modified 30-01-2026
Open JSON

Vulnerability summary

CVE-2025-11175 is a high (CVSS 8.8) Expression Language Injection vulnerability in the wikimedia foundation mediawiki - discussiontools extension. EPSS estimates a 0.48% chance of exploitation in the next 30 days, higher than 40.4% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v4.0 (CVE.org)
EPSS score
0.48%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

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

Description

Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection') vulnerability in The Wikimedia Foundation Mediawiki - DiscussionTools Extension allows Regular Expression Exponential Blowup.This issue affects Mediawiki - DiscussionTools Extension: 1.44, 1.43.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.48%

Chance of exploitation in the next 30 days

Percentile

40%

Versus all other CVEs

30-day change

+0.03 pp

From 0.45% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.48%

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

Debian1 product
  • mediawiki< 1:1.43.6+dfsg-1~deb13u1 | < 1:1.43.5+dfsg-1
The wikimedia foundation1 product
Ubuntu1 product
  • mediawikiAll versions (No fix recorded)

3 vendors · 3 products

References

7 links