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Security Advisories: GSA_kwCzR0hTQS13OWp4LTRnNmctcnA3eM4AA9LD

TinyMCE Cross-Site Scripting (XSS) vulnerability using noscript elements

Impact

A cross-site scripting (XSS) vulnerability was discovered in TinyMCE’s content parsing code. This allowed specially crafted noscript elements containing malicious code to be executed when that content was loaded into the editor.

Patches

This vulnerability has been patched in TinyMCE 7.2.0, TinyMCE 6.8.4 and TinyMCE 5.11.0 LTS by ensuring that content within noscript elements are properly parsed.

Fix

To avoid this vulnerability:

Upgrade to TinyMCE 7.2.0 or higher.
Upgrade to TinyMCE 6.8.4 or higher for TinyMCE 6.x.
Upgrade to TinyMCE 5.11.0 LTS or higher for TinyMCE 5.x (only available as part of commercial long-term support contract).

Acknowledgements

Tiny thanks Malav Khatri and another reporter for their help identifying this vulnerability.

References

For more information

If you have any questions or comments about this advisory:

Email us at [email protected]
Open an issue in the TinyMCE repo

Permalink: https://github.com/advisories/GHSA-w9jx-4g6g-rp7x
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS13OWp4LTRnNmctcnA3eM4AA9LD
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: 3 months ago
Updated: about 1 month ago

CVSS Score: 6.1
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Identifiers: GHSA-w9jx-4g6g-rp7x, CVE-2024-38357
References:

Repository: https://github.com/tinymce/tinymce
Blast Radius: 64.7

Affected Packages

pypi:django-tinymce

Dependent packages: 9
Dependent repositories: 3,322
Downloads: 295,229 last month
Affected Version Ranges: <= 4.0.0
Fixed in: 4.1.0
All affected versions: 1.4.1, 1.5.1, 1.5.2, 1.5.3, 1.5.4, 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.0.5, 2.0.6, 2.0.7, 2.1.0, 2.2.0, 2.3.0, 2.4.0, 2.5.0, 2.6.0, 2.6.1, 2.7.0, 2.7.1, 2.8.0, 2.9.0, 3.0.1, 3.0.2, 3.1.0, 3.2.0, 3.3.0, 3.4.0, 3.5.0, 3.6.0, 3.6.1, 3.7.0, 3.7.1, 4.0.0
All unaffected versions: 4.1.0

packagist:tinymce/tinymce

Dependent packages: 122
Dependent repositories: 672
Downloads: 5,618,462 total
Affected Version Ranges: >= 7.0.0, < 7.2.0, >= 6.0.0, < 6.8.4, < 5.11.0
Fixed in: 7.2.0, 6.8.4, 5.11.0
All affected versions: 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.5, 4.0.6, 4.0.7, 4.0.8, 4.0.9, 4.0.10, 4.0.11, 4.0.12, 4.0.13, 4.0.14, 4.0.15, 4.0.16, 4.0.17, 4.0.18, 4.0.19, 4.0.20, 4.0.21, 4.0.22, 4.0.23, 4.0.24, 4.0.25, 4.0.26, 4.0.27, 4.0.28, 4.1.0, 4.1.1, 4.1.2, 4.1.3, 4.1.4, 4.1.5, 4.1.6, 4.1.7, 4.1.8, 4.1.9, 4.1.10, 4.2.0, 4.2.1, 4.2.2, 4.2.3, 4.2.4, 4.2.5, 4.2.6, 4.2.7, 4.2.8, 4.3.0, 4.3.1, 4.3.2, 4.3.3, 4.3.4, 4.3.6, 4.3.7, 4.3.8, 4.3.9, 4.3.10, 4.3.11, 4.3.12, 4.3.13, 4.4.0, 4.4.1, 4.4.2, 4.4.3, 4.5.0, 4.5.1, 4.5.2, 4.5.3, 4.5.4, 4.5.5, 4.5.6, 4.5.7, 4.5.8, 4.5.9, 4.5.12, 4.6.0, 4.6.1, 4.6.2, 4.6.3, 4.6.4, 4.6.5, 4.6.6, 4.6.7, 4.7.0, 4.7.1, 4.7.2, 4.7.3, 4.7.4, 4.7.5, 4.7.6, 4.7.7, 4.7.8, 4.7.9, 4.7.10, 4.7.11, 4.7.12, 4.7.13, 4.8.0, 4.8.1, 4.8.2, 4.8.3, 4.8.4, 4.8.5, 4.9.0, 4.9.1, 4.9.2, 4.9.3, 4.9.4, 4.9.5, 4.9.6, 4.9.7, 4.9.8, 4.9.9, 4.9.10, 4.9.11, 5.0.0, 5.0.1, 5.0.2, 5.0.3, 5.0.4, 5.0.5, 5.0.6, 5.0.7, 5.0.8, 5.0.9, 5.0.10, 5.0.11, 5.0.12, 5.0.13, 5.0.14, 5.0.15, 5.0.16, 5.1.0, 5.1.1, 5.1.2, 5.1.3, 5.1.4, 5.1.5, 5.1.6, 5.2.0, 5.2.1, 5.2.2, 5.3.0, 5.3.1, 5.3.2, 5.4.0, 5.4.1, 5.4.2, 5.5.0, 5.5.1, 5.6.0, 5.6.1, 5.6.2, 5.7.0, 5.7.1, 5.8.0, 5.8.1, 5.8.2, 5.9.0, 5.9.1, 5.9.2, 5.10.0, 5.10.1, 5.10.2, 5.10.3, 5.10.4, 5.10.5, 5.10.6, 5.10.7, 5.10.8, 5.10.9, 6.0.0, 6.0.1, 6.0.2, 6.0.3, 6.1.0, 6.1.1, 6.1.2, 6.2.0, 6.3.0, 6.3.1, 6.3.2, 6.4.0, 6.4.1, 6.4.2, 6.5.0, 6.5.1, 6.6.0, 6.6.1, 6.6.2, 6.7.0, 6.7.1, 6.7.2, 6.7.3, 6.8.0, 6.8.1, 6.8.2, 6.8.3, 7.0.0, 7.0.1, 7.1.0, 7.1.1, 7.1.2
All unaffected versions: 6.8.4, 7.2.0, 7.2.1, 7.3.0

nuget:TinyMCE

Dependent packages: 5
Dependent repositories: 0
Downloads: 4,225,291 total
Affected Version Ranges: >= 7.0.0, < 7.2.0, >= 6.0.0, < 6.8.4, < 5.11.0
Fixed in: 7.2.0, 6.8.4, 5.11.0
All affected versions: 3.4.4, 3.4.5, 3.4.7, 3.5.0, 3.5.1, 3.5.2, 3.5.3, 3.5.4, 3.5.5, 3.5.6, 3.5.7, 3.5.8, 4.0.0, 4.0.1, 4.0.2, 4.0.4, 4.0.5, 4.0.6, 4.0.8, 4.0.9, 4.0.10, 4.0.11, 4.0.13, 4.0.14, 4.0.15, 4.0.16, 4.0.17, 4.0.18, 4.0.19, 4.0.20, 4.0.21, 4.0.22, 4.0.23, 4.0.24, 4.0.25, 4.0.26, 4.0.27, 4.0.28, 4.1.0, 4.1.1, 4.1.2, 4.1.3, 4.1.4, 4.1.5, 4.1.6, 4.1.7, 4.1.8, 4.1.9, 4.1.10, 4.2.0, 4.2.1, 4.2.2, 4.2.3, 4.2.4, 4.2.5, 4.2.6, 4.2.7, 4.2.8, 4.3.0, 4.3.1, 4.3.2, 4.3.3, 4.3.4, 4.3.6, 4.3.7, 4.3.8, 4.3.9, 4.3.10, 4.3.11, 4.3.12, 4.3.13, 4.4.0, 4.4.1, 4.4.2, 4.4.3, 4.5.0, 4.5.1, 4.5.2, 4.5.3, 4.5.4, 4.5.5, 4.5.6, 4.5.7, 4.5.8, 4.6.0, 4.6.1, 4.6.2, 4.6.3, 4.6.4, 4.6.5, 4.6.6, 4.6.7, 4.7.0, 4.7.3, 4.7.4, 4.7.5, 4.7.6, 4.7.7, 4.7.8, 4.7.9, 4.7.10, 4.7.11, 4.7.12, 4.7.13, 4.8.0, 4.8.1, 4.8.2, 4.8.3, 4.8.4, 4.8.5, 4.9.0, 4.9.1, 4.9.2, 4.9.3, 4.9.4, 4.9.5, 4.9.6, 4.9.7, 4.9.8, 4.9.9, 4.9.10, 4.9.11, 5.0.0, 5.0.1, 5.0.2, 5.0.3, 5.0.4, 5.0.5, 5.0.6, 5.0.7, 5.0.8, 5.0.9, 5.0.10, 5.0.11, 5.0.12, 5.0.13, 5.0.14, 5.0.15, 5.0.16, 5.1.0, 5.1.1, 5.1.2, 5.1.3, 5.1.4, 5.1.5, 5.1.6, 5.2.0, 5.2.1, 5.2.2, 5.3.0, 5.3.1, 5.3.2, 5.4.0, 5.4.1, 5.4.2, 5.5.0, 5.5.1, 5.6.0, 5.6.1, 5.6.2, 5.7.0, 5.7.1, 5.8.0, 5.8.1, 5.8.2, 5.9.0, 5.9.1, 5.9.2, 5.10.0, 5.10.1, 5.10.2, 5.10.3, 5.10.4, 5.10.5, 5.10.6, 5.10.7, 5.10.8, 5.10.9, 6.0.0, 6.0.1, 6.0.2, 6.0.3, 6.1.0, 6.1.1, 6.1.2, 6.2.0, 6.3.0, 6.3.1, 6.3.2, 6.4.0, 6.4.1, 6.4.2, 6.5.0, 6.5.1, 6.6.2, 6.7.0, 6.7.1, 6.7.2, 6.7.3, 6.8.0, 6.8.1, 6.8.2, 6.8.3, 7.0.0, 7.0.1, 7.1.0, 7.1.1, 7.1.2
All unaffected versions: 6.8.4, 7.2.0, 7.2.1, 7.3.0

npm:tinymce

Dependent packages: 1,197
Dependent repositories: 12,552
Downloads: 2,539,741 last month
Affected Version Ranges: >= 7.0.0, < 7.2.0, >= 6.0.0, < 6.8.4, < 5.11.0
Fixed in: 7.2.0, 6.8.4, 5.11.0
All affected versions: 4.0.25, 4.0.26, 4.0.27, 4.0.28, 4.1.0, 4.1.2, 4.1.3, 4.1.4, 4.1.5, 4.1.6, 4.1.7, 4.1.8, 4.1.9, 4.1.10, 4.2.0, 4.2.1, 4.2.2, 4.2.3, 4.2.4, 4.2.5, 4.2.6, 4.2.7, 4.2.8, 4.3.0, 4.3.1, 4.3.2, 4.3.3, 4.3.5, 4.3.6, 4.3.7, 4.3.8, 4.3.9, 4.3.10, 4.3.11, 4.3.12, 4.3.13, 4.4.0, 4.4.1, 4.4.2, 4.4.3, 4.5.0, 4.5.1, 4.5.2, 4.5.3, 4.5.4, 4.5.5, 4.5.6, 4.5.7, 4.5.8, 4.5.9, 4.5.10, 4.5.12, 4.6.0, 4.6.1, 4.6.2, 4.6.3, 4.6.4, 4.6.5, 4.6.6, 4.6.7, 4.7.0, 4.7.1, 4.7.2, 4.7.3, 4.7.4, 4.7.5, 4.7.6, 4.7.7, 4.7.8, 4.7.9, 4.7.10, 4.7.11, 4.7.12, 4.7.13, 4.8.0, 4.8.1, 4.8.2, 4.8.3, 4.8.4, 4.8.5, 4.9.0, 4.9.1, 4.9.2, 4.9.3, 4.9.4, 4.9.5, 4.9.6, 4.9.7, 4.9.8, 4.9.9, 4.9.10, 4.9.11, 5.0.0, 5.0.1, 5.0.2, 5.0.3, 5.0.4, 5.0.5, 5.0.6, 5.0.7, 5.0.8, 5.0.9, 5.0.10, 5.0.11, 5.0.12, 5.0.13, 5.0.14, 5.0.15, 5.0.16, 5.1.0, 5.1.1, 5.1.2, 5.1.3, 5.1.4, 5.1.5, 5.1.6, 5.2.0, 5.2.1, 5.2.2, 5.3.0, 5.3.1, 5.3.2, 5.4.0, 5.4.1, 5.4.2, 5.5.0, 5.5.1, 5.6.0, 5.6.1, 5.6.2, 5.7.0, 5.7.1, 5.8.0, 5.8.1, 5.8.2, 5.9.0, 5.9.1, 5.9.2, 5.10.0, 5.10.1, 5.10.2, 5.10.3, 5.10.4, 5.10.5, 5.10.6, 5.10.7, 5.10.8, 5.10.9, 6.0.0, 6.0.1, 6.0.2, 6.0.3, 6.1.0, 6.1.1, 6.1.2, 6.2.0, 6.3.0, 6.3.1, 6.3.2, 6.4.0, 6.4.1, 6.4.2, 6.5.0, 6.5.1, 6.6.0, 6.6.1, 6.6.2, 6.7.0, 6.7.1, 6.7.2, 6.7.3, 6.8.0, 6.8.1, 6.8.2, 6.8.3, 7.0.0, 7.0.1, 7.1.0, 7.1.1, 7.1.2
All unaffected versions: 6.8.4, 7.2.0, 7.2.1, 7.3.0