CVE-2023-43495 json
Jenkins Cross-site Scripting vulnerability
published 2023-09-20 3 y ago modified 2026-09-08 2 mo ago also BIT-jenkins-2023-43495 , EUVD-2023-2433 , GHSA-5j46-5hwq-gwh7
- cvss
- 5.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 63%
- public exploits
- 0
- none known
Summary
Jenkins 2.423 and earlier, LTS 2.414.1 and earlier does not escape the value of the 'caption' constructor parameter of 'ExpandableDetailsNote', resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to control this parameter.
Patch / fix
- maven org.jenkins-ci.main:jenkins-core 2.414.2, 2.424
- bitnami jenkins 2.424.0
- Jenkins Project Jenkins 2.424
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2023-43495 updated cvss 5.4
jenkins: Stored cross site scripting in ExpandableDetailsNote class
-
Red Hat OpenShift Developer Tools and Services jenkinsaffected: no fix available
-
Red Hat OpenShift Container Platform 3.11 jenkinsaffected: no fix planned “Out of support scope”
-
Red Hat OpenShift Container Platform 4 jenkinsaffected: no fix available
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
1.02% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| GitHub | 3.1 | 8.0 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| OSV | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.jenkins-ci.main:jenkins-core | >=2.50, <2.414.2 >=2.415, <2.424 |
2.414.2 2.424 |
| bitnami | jenkins | <2.424.0 |
2.424.0 |
Affected products
- Jenkins Project Jenkins
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
jenkins.io
/security/advisory/2023-09-20/#SECURITY-3245
vendor-advisory, web, advisory
-
openwall.com
/lists/oss-security/2023/09/20/5
web, mailing-list, third-party-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2023-43495
advisory, web
Sources
- CVE List CVE-2023-43495
- GitHub Advisory GHSA-5j46-5hwq-gwh7
- NVD CVE-2023-43495
- OSV BIT-jenkins-2023-43495
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.