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Vulnerability Intelligence

CVE-2022-34777

Medium

Cross-site Scripting in Jenkins GitLab Plugin

Published Jul 1, 2022 · Updated Jul 9, 2026 · Also known as GHSA-f655-xhvm-cwp4

Key Facts

Patch immediately
  • CVE-2022-34777 is a medium-severity vulnerability (CVSS 5.4 v3.1) affecting Gitlab (Jenkins), org.jenkins-ci.plugins:gitlab-plugin (maven), Jenkins GitLab Plugin.
  • It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
  • EPSS estimates a 73% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Gitlab <=1.5.34, org.jenkins-ci.plugins:gitlab-plugin 1.5.35, Gitlab 1.5.34.
  • Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3.1

5.4

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

EPSS (30-day exploit likelihood)

73%

Higher than 99.4% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

None known

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Description

Jenkins GitLab Plugin 1.5.34 and earlier does not escape multiple fields inserted into the description of webhook-triggered builds, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Item/Configure permission.

Affected Products

3 affected entries in total
ProductAffected versionsFixed in
GitlabJenkinsSee advisory1.5.34
org.jenkins-ci.plugins:gitlab-pluginmavenSee advisory1.5.35
Jenkins GitLab Plugin>= unspecifiedn/a

Patched Releases

Gitlab

<=1.5.34

org.jenkins-ci.plugins:gitlab-plugin

1.5.35

Timeline

  1. Publicly disclosed

    Jul 1, 2022

  2. Last updated

    Jul 9, 2026

Weakness Type

  • CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

References

FAQ

Common Questions.

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