Home/CVE/TinyMCE versions before 5.10.0 are affected by a cross-site scripting vulnerability. A remote and unauthenticated attack
CVE

CVE-2024-21910

TinyMCE versions before 5.10.0 are affected by a cross-site scripting vulnerability. A remote and unauthenticated attack

TinyMCE versions before 5.10.0 are affected by a cross-site scripting vulnerability. A remote and unauthenticated attacker could introduce crafted image or link URLs that would result in the execution of arbitrary JavaScript in an editing user's browser.

MEDIUM · CVSS 6.1 EPSS 0.04084
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

1
tiny tinymce< 5.10.0
▤

Affected Packages

4
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
NuGet TinyMCE MODERATE fixed in 5.10.0
Packagist tinymce/tinymce MODERATE fixed in 5.10.0
PyPI django-tinymce MODERATE fixed in 3.4.0
npm tinymce MODERATE fixed in 5.10.0
⚠

Public Exploits & PoCs

1
pocgithub.com · GHSA-r8hm-w5f7-wj39github.com
▣

Scoring & Timeline

6.1
MEDIUM · CVSS v3.1 · disclosure@vulncheck.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD03 Jan 2024 · 04:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/jazzband/django-tinymce/issues/366Issue TrackingThird Party Advisory
https://github.com/jazzband/django-tinymce/releases/tag/3.4.0Release Notes
https://github.com/tinymce/tinymce/security/advisories/GHSA-r8hm-w5f7-wj39Third Party Advisory
https://pypi.org/project/django-tinymce/3.4.0/Release Notes
https://vulncheck.com/advisories/vc-advisory-GHSA-r8hm-w5f7-wj39Third Party Advisory
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