CVE-2025-61655: mediawiki visual_editor Cross-site Scripting
Vulnerability summary
CVE-2025-61655 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in mediawiki visual_editor. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 6.3% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 3Timeline
- 03-02-2026PublishedVulnerability first disclosed.
- 03-02-2026Last modifiedVulnerability information updated.
Description
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation VisualEditor. This vulnerability is associated with program files includes/ApiVisualEditorEdit.Php, modules/ve-mw/init/targets/ve.Init.Mw.DesktopArticleTarget.Js, modules/ve-mw/ui/dialogs/ve.Ui.MWSaveDialog.Js. This issue affects VisualEditor: from * before 1.39.14, 1.43.4, 1.44.1.
CVSS metrics
6 scores · 4 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated0.0UnknownCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/E:U
- NVDNIST0.0UnknownCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/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:X/AU:X/R:X/V:X/RE:X/U:X
- OSV · UbuntuEcosystem advisory · calculated6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- OSV · DebianEcosystem advisory · calculated6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS trend
Probability
0.17%
Chance of exploitation in the next 30 days
Percentile
6%
Versus all other CVEs
30-day change
+0.02 pp
From 0.15% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- mediawiki< 1:1.39.17-1~deb12u1 | < 1:1.43.6+dfsg-1~deb13u1 | < 1:1.43.5+dfsg-1
Mediawiki1 product
- visual_editor≥ 1.39.0, < 1.39.14 | ≥ 1.43.0, < 1.43.4 | 1.44.0
Ubuntu1 product
- mediawikiAll versions (No fix recorded)
Wikimedia foundation1 product
- visualeditor< 1.39.14, 1.43.4, 1.44.1
4 vendors · 4 products