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.

CVSS v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/advisories/GHSA-5h9g-x5rv-25wg	Exploit Third Party Advisory
https://github.com/tinymce/tinymce/security/advisories/GHSA-5h9g-x5rv-25wg	Exploit Third Party Advisory
https://vulncheck.com/advisories/vc-advisory-GHSA-5h9g-x5rv-25wg	Third Party Advisory
https://www.tiny.cloud/docs/release-notes/release-notes59/#securityfixes	Release Notes
https://github.com/advisories/GHSA-5h9g-x5rv-25wg	Exploit Third Party Advisory
https://github.com/tinymce/tinymce/security/advisories/GHSA-5h9g-x5rv-25wg	Exploit Third Party Advisory
https://vulncheck.com/advisories/vc-advisory-GHSA-5h9g-x5rv-25wg	Third Party Advisory
https://www.tiny.cloud/docs/release-notes/release-notes59/#securityfixes	Release Notes

Configurations

Configuration 1 (hide)

cpe:2.3:a:tiny:tinymce:*:*:*:*:*:*:*:*

History

28 Nov 2025, 16:15

Type	Values Removed	Values Added
Summary	(en) 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.	(en) 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.

Information

Published : 2024-01-03 16:15

Updated : 2025-11-28 16:15

NVD link : CVE-2024-21908

Mitre link : CVE-2024-21908

CVE.ORG link : CVE-2024-21908

JSON object : View

Products Affected

tiny

tinymce

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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