CVE-2024-21911

TinyMCE versions before 5.6.0 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-w7jx-j77m-wp65Exploit, Third Party Advisory
• https://github.com/tinymce/tinymce/security/advisories/GHSA-w7jx-j77m-wp65Exploit, Third Party Advisory
• https://vulncheck.com/advisories/vc-advisory-GHSA-w7jx-j77m-wp65Third Party Advisory
• https://www.npmjs.com/package/tinymceRelease Notes
• https://www.tiny.cloud/docs/release-notes/release-notes56/#securityfixesRelease Notes
• https://github.com/advisories/GHSA-w7jx-j77m-wp65Exploit, Third Party Advisory
• https://github.com/tinymce/tinymce/security/advisories/GHSA-w7jx-j77m-wp65Exploit, Third Party Advisory
• https://vulncheck.com/advisories/vc-advisory-GHSA-w7jx-j77m-wp65Third Party Advisory
• https://www.npmjs.com/package/tinymceRelease Notes
• https://www.tiny.cloud/docs/release-notes/release-notes56/#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.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2024-21906An OS command injection vulnerability has been reported to a…4.7
• CVE-2024-21907Newtonsoft.Json before version 13.0.1 is affected by a misha…7.5
• CVE-2024-21908TinyMCE versions before 5.9.0 are affected by a stored cross…6.1
• CVE-2024-21909PeterO.Cbor versions 4.0.0 through 4.5.0 are vulnerable to a…7.5
• CVE-2024-2191An issue was discovered in GitLab CE/EE affecting all versio…5.3
• CVE-2024-21910TinyMCE versions before 5.10.0 are affected by a cross-site …6.1
• CVE-2024-21912 An arbitrary code execution vulnerability in Rockwell Autom…7.8
• CVE-2024-21913 A heap-based memory buffer overflow vulnerability in Rockwe…7.8
• CVE-2024-21914 A vulnerability exists in the affected product that allows …5.3
• CVE-2024-21915 A privilege escalation vulnerability exists in Rockwell Aut…8.8
• CVE-2024-21916 A denial-of-service vulnerability exists in specific Rockwe…7.5
• CVE-2024-21917A vulnerability exists in Rockwell Automation FactoryTalk® S…9.1