Most recent entries from all https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Wed, 30 Sep 2026 09:12:29 +0000 GHSA-q742-qvgc-gc2f — TinyMCE Cross-Site Scripting (XSS) vulnerability using through data-mce- prefixed src, href, style attributes https://vulnerability.circl.lu/vuln/ghsa-q742-qvgc-gc2f <p><strong>Affected:</strong> npm: tinymce, NuGet: TinyMCE, Packagist: tinymce/tinymce</p> <p>### Impact Stored XSS vulnerability via unsanitized data-mce-* attributes (data-mce-href, data-mce-src, data-mce-style). Allows attackers to inject malicious values that override safe attributes during serialization, bypassing validation.</p> <p>### Patches Patched by stripping unsafe data-mce-* attributes during parsing. Users should upgrade to the latest patched versions (5 LTS, 7.x, 8.x).</p> <p>### Workarounds No official workaround available.</p> <p>### Fix To avoid this vulnerability:</p> <p>Upgrade to TinyMCE 8.5.1 or higher. Upgrade to TinyMCE 7.9.3 or higher. Upgrade to TinyMCE 5.11.1 LTS or higher for TinyMCE 5.x (only available as part of commercial [long-term support](https://www.tiny.cloud/long-term-support/) contract).</p> <p>### Acknowledgements Tiny thanks [Tadi Kadango](https://github.com/mtrill47) ([website](https://tadiwakadango.com/)) and [Ivan Babenko](https://github.com/he1d3n) for their help identifying this vulnerability.</p> <p><strong>Affected:</strong> npm: tinymce, NuGet: TinyMCE, Packagist: tinymce/tinymce</p> <p>### Impact Stored XSS vulnerability via unsanitized data-mce-* attributes (data-mce-href, data-mce-src, data-mce-style). Allows attackers to inject malicious values that override safe attributes during serialization, bypassing validation.</p> <p>### Patches Patched by stripping unsafe data-mce-* attributes during parsing. Users should upgrade to the latest patched versions (5 LTS, 7.x, 8.x).</p> <p>### Workarounds No official workaround available.</p> <p>### Fix To avoid this vulnerability:</p> <p>Upgrade to TinyMCE 8.5.1 or higher. Upgrade to TinyMCE 7.9.3 or higher. Upgrade to TinyMCE 5.11.1 LTS or higher for TinyMCE 5.x (only available as part of commercial [long-term support](https://www.tiny.cloud/long-term-support/) contract).</p> <p>### Acknowledgements Tiny thanks [Tadi Kadango](https://github.com/mtrill47) ([website](https://tadiwakadango.com/)) and [Ivan Babenko](https://github.com/he1d3n) for their help identifying this vulnerability.</p> https://vulnerability.circl.lu/vuln/ghsa-q742-qvgc-gc2f