OpenCMS 17.0 XSS Vulnerability: A Sticky Situation for Web Editors!

OpenCMS 17.0 suffers from a Stored Cross Site Scripting vulnerability in the author field. When users click “Read More,” they’re greeted with an unexpected popup surprise. To avoid this digital whoopee cushion, upgrading to the latest release is recommended. Stay safe and script-free!

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Published: April 15, 2025 5:48 amAdded: April 14, 2025 at 11:08 pmAssembled by: The Editor
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Hot Take:

Well, folks, it seems OpenCMS is auditioning for a new role in the cybersecurity nightmare series: “Stored XSS: The Gift That Keeps on Giving.” If your morning coffee didn’t wake you up, maybe an unexpected alert popping up on your screen will do the trick! It’s like a surprise party, only with more code and less cake.

Key Points:

  • OpenCMS 17.0 has a Stored Cross-Site Scripting (XSS) vulnerability.
  • The exploit occurs in the author field when publishing an article.
  • Affected users get a surprise alert when clicking “Read More.”
  • Tested on both Brave and Firefox browsers.
  • Solution: Upgrade to the latest OpenCMS release.

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