CVE-2024-21908

6.1 MEDIUM

Published: January 03, 2024 Modified: November 28, 2025

Description

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://github.com/advisories/GHSA-5h9g-x5rv-25wg

Source: disclosure@vulncheck.com

Exploit Third Party Advisory

https://github.com/tinymce/tinymce/security/advisories/GHSA-5h9g-x5rv-25wg

Source: disclosure@vulncheck.com

Exploit Third Party Advisory

https://vulncheck.com/advisories/vc-advisory-GHSA-5h9g-x5rv-25wg

Source: disclosure@vulncheck.com

Third Party Advisory

https://www.tiny.cloud/docs/release-notes/release-notes59/#securityfixes

Source: disclosure@vulncheck.com

Release Notes

https://github.com/advisories/GHSA-5h9g-x5rv-25wg

Source: af854a3a-2127-422b-91ae-364da2661108

Exploit Third Party Advisory

https://github.com/tinymce/tinymce/security/advisories/GHSA-5h9g-x5rv-25wg

Source: af854a3a-2127-422b-91ae-364da2661108

Exploit Third Party Advisory

https://vulncheck.com/advisories/vc-advisory-GHSA-5h9g-x5rv-25wg

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://www.tiny.cloud/docs/release-notes/release-notes59/#securityfixes

Source: af854a3a-2127-422b-91ae-364da2661108

Release Notes

8 reference(s) from NVD

Quick Stats

CVSS v3 Score

6.1 / 10.0

EPSS (Exploit Probability)

0.4%

58th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-79 CWE-79

Affected Vendors

tiny

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