Jenkins Build Failure Analyzer Plugin Cross-site Scripting vulnerability

published 2023-09-20 3 y ago modified 2026-06-17 4 mo ago also GHSA-262f-77q5-rqv6 , EUVD-2023-2390

cvss: 5.4; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 49%
public exploits: 0; none known

Jenkins Build Failure Analyzer Plugin 2.4.1 and earlier does not escape Failure Cause names in build logs, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to create or update Failure Causes.

Patch / fix

fixed in 2

maven com.sonyericsson.jenkins.plugins.bfa:build-failure-analyzer 2.4.2
jenkins build_failure_analyzer 2.4.2

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-09-24)

Exploit prediction

0.60% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
GitHub	3.1	8.0	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
maven	com.sonyericsson.jenkins.plugins.bfa:build-failure-analyzer	<2.4.2	2.4.2

Affected products

Jenkins Project Jenkins Build Failure Analyzer Plugin

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

jenkins.io /security/advisory/2023-09-20/#SECURITY-3244
vendor-advisory, web
openwall.com /lists/oss-security/2023/09/20/5
web, mailing-list, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2023-43499
advisory

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary