CVE-2025-67641Network attack vector

Stored XSS via unvalidated coverage result identifiers

Published Dec 10, 2025 · Updated Dec 10, 2025

Stored XSS in Jenkins Coverage Plugin 2.3054.ve1ff7b_a_a_123b_ and earlier allows remote authenticated users to execute script in browsers. CoverageBuildAction accepts a REST-configured result ID without applying the UI validation that rejects javascript scheme URLs, then uses the ID in coverage links. Exploitation requires Item/Configure permission, a victim who follows the crafted link, and Jenkins older than 2.539 or unenforced CSP protection.

CVSS severity5.4
Medium
EPSS probability0.31%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in Jenkins Coverage Plugin 2.3054.ve1ff7b_a_a_123b_ and earlier allows remote authenticated users to execute script in browsers. CoverageBuildAction accepts a REST-configured result ID without applying the UI validation that rejects javascript scheme URLs, then uses the ID in coverage links. Exploitation requires Item/Configure permission, a victim who follows the crafted link, and Jenkins older than 2.539 or unenforced CSP protection.

The record

CVE
CVE-2025-67641
Published
Dec 10, 2025
Updated
Dec 10, 2025
Vendor
Jenkins Project
Product
Jenkins Coverage Plugin
Classifications
CWE-79, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Dec 10, 2025CVE publishedPublication date reported by the CVE source.
  2. Dec 10, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=2.3054.ve1ff7b_a_a_123b_

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Jenkins Project · Jenkins Coverage Pluginversion=0 <=2.3054.ve1ff7b_a_a_123b_

Published CVSS scores

8.0CISA-ADPCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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