CVE-2025-62659: the wikimedia foundation mediawiki cookieconsent extension Cross-site Scripting
CVSS: 2.1v4.0LowDeferred
Published 22-10-2025Last modified 22-10-2025
Vulnerability summary
CVE-2025-62659 is a low (CVSS 2.1) Cross-site Scripting vulnerability in the wikimedia foundation mediawiki cookieconsent extension. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 20.7% of scored vulnerabilities.
CVSS score
2.1/10
010
Low · v4.0 (CVE.org)EPSS score
0.29%
0%100%
Low · +0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 22-10-2025PublishedVulnerability first disclosed.
- 22-10-2025Last modifiedVulnerability information updated.
Description
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation MediaWiki CookieConsent extension allows Cross-Site Scripting (XSS).This issue affects MediaWiki CookieConsent extension: from v0.1.0 before v2.0.0.
CVSS metrics
2 scores · 2 sources · 1 versionLow 2.1Preferred score · CVE.org (CNA)
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/S:N/AU:N/R:U/V:C/RE:M/U:AmberSourcesAll 2 agree
- NVDNIST2.1LowCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:N/R:U/V:C/RE:M/U:Amber
EPSS trend
Probability
0.29%
Chance of exploitation in the next 30 days
Percentile
21%
Versus all other CVEs
30-day change
+0.02 pp
From 0.27% on 21-09-2026
21-09-202621-10-2026
EPSS score0.29%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
The wikimedia foundation1 product
- mediawiki cookieconsent extension≥ v0.1.0, < v2.0.0
1 vendor · 1 product