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CVE-2025-11966

Published: Oct 22, 2025Updated: Jan 20, 2026 Sources: CVE List NVD GHSACWE-79
NVD MITRE
6.4CVSSMEDIUM
EPSS Score
0.3%
Top 82.3%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

Description

In Eclipse Vert.x versions [4.0.0, 4.5.21] and [5.0.0, 5.0.4], when "directory listing" is enabled, file and directory names are inserted into generated HTML without proper escaping in the href, title, and link attributes. An attacker who can create or rename files or directories within a served path can craft filenames containing malicious script or HTML content, leading to stored cross-site scripting (XSS) that executes in the context of users viewing the affected directory listing.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:CC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-79CWE-80

Affected Products

Vert.xEclipse FoundationOSS Libraries
vert.xeclipseDevTools & CI
io.vertx:vertx-webMavenOSS Libraries
eclipse foundationoss-projectDEOSS Libraries
eclipseoss-projectBEDevTools & CIaka eclipse-foundation
mavenpackage-ecosystemOSS Libraries

Attack Graph

Products CVE Techniques Tactics

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Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://gitlab.eclipse.org/security/vulnerability-reports/-/issues/303
gitlab.eclipse.org
https://github.com/vert-x3/vertx-web/security/advisories/GHSA-45p5-v273-3qqr
github.com
https://nvd.nist.gov/vuln/detail/CVE-2025-11966
nvd.nist.gov
and 1 more references View all →

Timeline

Published
Oct 22, 2025
Last Updated
Jan 20, 2026

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