PYSEC-2026-1302
See a problem?- Import Source
- https://github.com/pypa/advisory-database/blob/main/vulns/django-tinymce/PYSEC-2026-1302.yaml
- JSON Data
- https://api.osv.dev/v1/vulns/PYSEC-2026-1302
- Aliases
- Published
- 2026-07-07T14:34:34.892620Z
- Modified
- 2026-07-07T17:46:38.052584330Z
- Severity
-
- 6.1 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N CVSS Calculator
- 5.3 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:N/SI:L/SA:L CVSS Calculator
- Summary
- TinyMCE Cross-Site Scripting (XSS) vulnerability using noscript elements
- Details
-
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 infosec@tiny.cloud
- Open an issue in the TinyMCE repo
- References
-
- https://github.com/tinymce/tinymce/security/advisories/GHSA-w9jx-4g6g-rp7x
- https://nvd.nist.gov/vuln/detail/CVE-2024-38357
- https://github.com/tinymce/tinymce/commit/5acb741665a98e83d62b91713c800abbff43b00d
- https://github.com/tinymce/tinymce/commit/a9fb858509f86dacfa8b01cfd34653b408983ac0
- https://github.com/tinymce/tinymce
- https://owasp.org/www-community/attacks/xss
- https://www.tiny.cloud/docs/tinymce/6/6.8.4-release-notes/#overview
- https://www.tiny.cloud/docs/tinymce/7/7.2-release-notes/#overview
- https://pypi.org/project/django-tinymce
- https://github.com/advisories/GHSA-w9jx-4g6g-rp7x
Affected packages
PyPI / django-tinymce
Package
- Name
- django-tinymce
- View open source insights on deps.dev
- Purl
- pkg:pypi/django-tinymce
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed4.1.0
Affected versions
1.*
1.0
1.1
1.2
1.3
1.4
1.4.1
1.5
1.5.1.dev100
1.5.1.dev101
1.5.1a1
1.5.1a2
1.5.1a3
1.5.1b1
1.5.1b2
1.5.1b3
1.5.1b4
1.5.1
1.5.2
1.5.3
1.5.4
2.*
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.*
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.*
4.0.0