CVE-2024-21908

TinyMCE versions before 5.9.0 are affected by a stored cross-site scripting vulnerability. An unauthenticated and remote attacker could insert crafted HTML into the editor resulting in arbitrary JavaScript execution in another user's browser.

• CWE-79
• CWE-79

• https://github.com/advisories/GHSA-5h9g-x5rv-25wgExploit, Third Party Advisory
• https://github.com/tinymce/tinymce/security/advisories/GHSA-5h9g-x5rv-25wgExploit, Third Party Advisory
• https://vulncheck.com/advisories/vc-advisory-GHSA-5h9g-x5rv-25wgThird Party Advisory
• https://www.tiny.cloud/docs/release-notes/release-notes59/#securityfixesRelease Notes
• https://github.com/advisories/GHSA-5h9g-x5rv-25wgExploit, Third Party Advisory
• https://github.com/tinymce/tinymce/security/advisories/GHSA-5h9g-x5rv-25wgExploit, Third Party Advisory
• https://vulncheck.com/advisories/vc-advisory-GHSA-5h9g-x5rv-25wgThird Party Advisory
• https://www.tiny.cloud/docs/release-notes/release-notes59/#securityfixesRelease Notes

Published

Jan 3, 2024

Last Modified

Jul 14, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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