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Vulnerability details: VCID-s1wm-h4xx-tfh9
Vulnerability ID VCID-s1wm-h4xx-tfh9
Aliases CVE-2023-43495
GHSA-5j46-5hwq-gwh7
Summary Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') 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.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3 5.4 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-43495.json
epss 0.0078 https://api.first.org/data/v1/epss?cve=CVE-2023-43495
epss 0.0078 https://api.first.org/data/v1/epss?cve=CVE-2023-43495
epss 0.0078 https://api.first.org/data/v1/epss?cve=CVE-2023-43495
epss 0.0078 https://api.first.org/data/v1/epss?cve=CVE-2023-43495
epss 0.0078 https://api.first.org/data/v1/epss?cve=CVE-2023-43495
epss 0.0078 https://api.first.org/data/v1/epss?cve=CVE-2023-43495
epss 0.0078 https://api.first.org/data/v1/epss?cve=CVE-2023-43495
epss 0.00783 https://api.first.org/data/v1/epss?cve=CVE-2023-43495
epss 0.00783 https://api.first.org/data/v1/epss?cve=CVE-2023-43495
epss 0.00783 https://api.first.org/data/v1/epss?cve=CVE-2023-43495
epss 0.00783 https://api.first.org/data/v1/epss?cve=CVE-2023-43495
epss 0.00783 https://api.first.org/data/v1/epss?cve=CVE-2023-43495
epss 0.00783 https://api.first.org/data/v1/epss?cve=CVE-2023-43495
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-5j46-5hwq-gwh7
cvssv3.1 8.0 https://nvd.nist.gov/vuln/detail/CVE-2023-43495
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2023-43495
cvssv3.1 8.0 https://www.jenkins.io/security/advisory/2023-09-20/#SECURITY-3245
generic_textual HIGH https://www.jenkins.io/security/advisory/2023-09-20/#SECURITY-3245
ssvc Track https://www.jenkins.io/security/advisory/2023-09-20/#SECURITY-3245
cvssv3.1 8.0 http://www.openwall.com/lists/oss-security/2023/09/20/5
generic_textual HIGH http://www.openwall.com/lists/oss-security/2023/09/20/5
ssvc Track http://www.openwall.com/lists/oss-security/2023/09/20/5
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-43495.json
https://api.first.org/data/v1/epss?cve=CVE-2023-43495
https://www.jenkins.io/security/advisory/2023-09-20/#SECURITY-3245
http://www.openwall.com/lists/oss-security/2023/09/20/5
2239937 https://bugzilla.redhat.com/show_bug.cgi?id=2239937
CVE-2023-43495 https://nvd.nist.gov/vuln/detail/CVE-2023-43495
GHSA-5j46-5hwq-gwh7 https://github.com/advisories/GHSA-5j46-5hwq-gwh7
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-43495.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2023-43495
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H Found at https://www.jenkins.io/security/advisory/2023-09-20/#SECURITY-3245
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-09-24T18:51:47Z/ Found at https://www.jenkins.io/security/advisory/2023-09-20/#SECURITY-3245
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H Found at http://www.openwall.com/lists/oss-security/2023/09/20/5
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-09-24T18:51:47Z/ Found at http://www.openwall.com/lists/oss-security/2023/09/20/5
Exploit Prediction Scoring System (EPSS)
Percentile 0.73637
EPSS Score 0.0078
Published At April 2, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:51:51.206502+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/maven/org.jenkins-ci.main/jenkins-core/CVE-2023-43495.yml 38.0.0