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CVE-2023-43499

19
FAUCET Score

CVE-2023-43499 is a stored cross-site scripting (XSS) vulnerability affecting Jenkins Build Failure Analyzer Plugin versions 2.4.1 and earlier. Attackers with permissions to create or update Failure Causes can inject malicious scripts into build logs due to improper escaping of Failure Cause names. This vulnerability has a CVSS score of 5.4 (Medium), indicating it can be exploited remotely with low complexity, requiring user interaction, and potentially leading to low impact on confidentiality and integrity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.4.2CPE matchmatch criteria
cpe:2.3:a:jenkins:build_failure_analyzer:*:*:*:*:*:jenkins:*:*

CVSS Data

CVSS version used by this source: 3.1

5.4MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.3
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.52%
Probability of exploitation in next 30 days
EPSS Percentile
41.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0052 is in the 64th percentile among its peer group of 15,239 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

mavenpatch availablevia ghsa
Product: com.sonyericsson.jenkins.plugins.bfa:build-failure-analyzerFixed in: 2.4.2
jenkinsvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

mavenGHSA-262f-77q5-rqv6high

Jenkins Build Failure Analyzer Plugin Cross-site Scripting vulnerability

Sep 20, 2023

References

jenkins.io / security/advisory/2023-09-20
Vendor Advisory
openwall.com / lists/oss-security/2023/09/20/5
Mailing ListThird Party Advisory