Advisory Database
  • Advisories
  • Dependency Scanning
  1. maven
  2. ›
  3. io.jenkins.plugins/markmarkdown-formatter
  4. ›
  5. CVE-2021-21660

CVE-2021-21660: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

May 24, 2022 (updated December 15, 2022)

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

  • www.openwall.com/lists/oss-security/2021/05/25/3
  • github.com/advisories/GHSA-xqpp-26pp-2365
  • nvd.nist.gov/vuln/detail/CVE-2021-21660
  • www.jenkins.io/security/advisory/2021-05-25/
  • www.whitesourcesoftware.com/vulnerability-database/CVE-2021-21660

Code Behaviors & Features

Detect and mitigate CVE-2021-21660 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →

Affected versions

All versions up to 0.1.0

Fixed versions

  • 0.2.0

Solution

Upgrade to version 0.2.0 or above.

Impact 5.4 MEDIUM

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

Learn more about CVSS

Weakness

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

Source file

maven/io.jenkins.plugins/markmarkdown-formatter/CVE-2021-21660.yml

Spotted a mistake? Edit the file on GitLab.

  • Site Repo
  • About GitLab
  • Terms
  • Privacy Statement
  • Contact

Page generated Wed, 14 May 2025 12:14:52 +0000.