8.8

CVE-2025-62697: the wikimedia foundation mediawiki - languageselector extension Injection

CVSS: 8.8v4.0HighDeferred
AliasesUBUNTU-CVE-2025-62697
Published 20-10-2025Last modified 20-10-2025
Open JSON

Vulnerability summary

CVE-2025-62697 is a high (CVSS 8.8) Injection vulnerability in the wikimedia foundation mediawiki - languageselector extension. EPSS estimates a 0.35% chance of exploitation in the next 30 days, higher than 26.9% 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
0.35%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 20-10-2025
    PublishedVulnerability first disclosed.
  2. 20-10-2025
    Last modifiedVulnerability information updated.

Description

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') vulnerability in The Wikimedia Foundation Mediawiki - LanguageSelector Extension allows Code Injection.This issue affects Mediawiki - LanguageSelector Extension: from master before 1.39.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.35%

Chance of exploitation in the next 30 days

Percentile

27%

Versus all other CVEs

30-day change

0.00 pp

From 0.35% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.35%

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
Ubuntu1 product
  • mediawikiAll versions (No fix recorded)

2 vendors · 2 products

References

4 links