CVE-2021-21660
MEDIUMJenkins Markdown Formatter Plugin < 0.1.0 - Stored Cross-Site Scripting via Crafted Link Target URLs
Title source: llmDescription
Jenkins Markdown Formatter Plugin 0.1.0 and earlier does not sanitize crafted link target URLs, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with the ability to edit any description rendered using the configured markup formatter.
References (3)
Core 3
Core References
Vendor Advisory x_refsource_confirm
https://www.jenkins.io/security/advisory/2021-05-25/#SECURITY-2198
Third Party Advisory x_refsource_misc
https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-21660
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2021/05/25/3
Scores
CVSS v3
5.4
EPSS
0.0025
EPSS Percentile
47.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Details
CWE
CWE-79
Status
published
Products (2)
io.jenkins.plugins/markdown-formatter
0 - 0.2.0Maven
jenkins/markdown_formatter
< 0.1.0
Published
May 25, 2021
Tracked Since
Feb 18, 2026