CVE-2023-27898

Jenkins 2.270 through 2.393 (both inclusive), LTS 2.277.1 through 2.375.3 (both inclusive) does not escape the Jenkins version a plugin depends on when rendering the error message stating its incompatibility with the current version of Jenkins, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to provide plugins to the configured update sites and have this message shown by Jenkins instances.

Published: 2023-03-10 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2023-27898 is rated Moderate Risk (64.5/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.84%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2023-27898

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 2.38% 1.84% -0.54%
2 2026-05-18 2.78% 2.38% -0.39%
3 2026-03-04 — 2.78% —

Full EPSS history (32 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-27898

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.6 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 6.0 [email protected]
9.6 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 6.0 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2023-27898

GitHub Security Advisory for CVE-2023-27898

GHSA-j664-qhh4-hpf8 · Severity: high · Ecosystem: maven — Cross-site Scripting vulnerability in Jenkins

OS Trackers for CVE-2023-27898

vendor priority summary link
alpine — CVE-2023-27898: 1 source package rows (jenkins); 20 state rows across 4 repos (3.17-community, 3.18-community, 3.22-community, edge-community); fixed 0, open 20. https://security.alpinelinux.org/vuln/CVE-2023-27898
redhat high — https://access.redhat.com/security/cve/CVE-2023-27898

Affected software / configurations for CVE-2023-27898

Vendor Product Version Raw CPE
jenkins jenkins >= 2.270, < 2.394 cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*
jenkins jenkins >= 2.277.1, < 2.375.4 cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*

References for CVE-2023-27898

cvelogic Threat Intelligence