CVE-2024-29881
mediumpriority · track · 24EPSS 0.007 · 53 %ileDEEUUSEPSS · scored 2026-10-23
TinyMCE is an open source rich text editor. A cross-site scripting (XSS) vulnerability was discovered in TinyMCE’s content loading and content inserting code. A SVG image could be loaded though an `object` or `embed` element and that image could potentially contain a XSS payload. This vulnerability is fixed in 6.8.1 and 7.0.0.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (8)
Products and version ranges known to be affected.
- IBM Maximo Asset Management 7.6.1.3all versionscert_bundDEcpe:/a:ibm:maximo_asset_management:7.6.1.3
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2024-1368IBM Maximo Asset Management: Mehrere SchwachstellenDeutsch2024-06-12csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen in IBM Maximo Asset Management ausnutzen, um Informationen offenzulegen und um Cross-Site Scripting Angriffe durchzuführen.
- GHSA-5359-pvf2-pw78TinyMCE Cross-Site Scripting (XSS) vulnerability in handling external SVG files through Object or Embed elements2024-03-26ghsa · osvUS
### Impact A [cross-site scripting (XSS)](https://owasp.org/www-community/attacks/xss/) vulnerability was discovered in TinyMCE’s content loading and content inserting code. A SVG image could be loaded though an `object` or `embed` element and that image could potentially contain a XSS payload. ### Fix TinyMCE 6.8.1 introduced a new `convert_unsafe_embeds` option to automatically convert `object` and `embed` elements respective of their `type` attribute. From TinyMCE 7.0.0 onwards, the `convert_unsafe_embeds` option is enabled by default. ### Workarounds If you are using TinyMCE 6.8.1 or higher, set `convert_unsafe_embeds` to true. For any earlier versions, a custom NodeFilter is recommended to remove or modify any `object` or `embed` elements. This can be added using the `editor.parser.addNodeFilter` and `editor.serializer.addNodeFilter` APIs. ### Acknowledgements Tiny Technologies would like to thank Toni Huttunen of [Fraktal Oy](https://www.fraktal.fi/) for discovering this vulnerability. ### References - [TinyMCE 6.8.1](https://www.tiny.cloud/docs/tinymce/6/6.8.1-release-notes/#new-convert_unsafe_embeds-option-that-controls-whether-object-and-embed-elements-will-be-converted-to-more-restrictive-alternatives-namely-img-for-image-mime-types-video-for-video-mime-types-audio-audio-mime-types-or-iframe-for-other-or-unspecified-mime-types) - [TinyMCE 7.0.0](https://www.tiny.cloud/docs/tinymce/7/7.0-release-notes/#convert_unsafe_embeds-editor-option-is-now-defaulted-to-true)
also known as (3)
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sources
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references (14)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2024-29881/cnnvd
- https://github.com/tinymce/tinymce/commit/bcdea2ad14e3c2cea40743fb48c63bba067ae6d1cnnvd
- https://github.com/tinymce/tinymce/security/advisories/GHSA-5359-pvf2-pw78cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2024-29881cnnvd
- https://www.tiny.cloud/docs/tinymce/6/6.8.1-release-notes/#new-convert_unsafe_embeds-option-that-controls-whether-object-and-embed-elements-will-be-converted-to-more-restrictive-alternatives-namely-img-for-image-mime-types-video-for-video-mime-types-audio-audio-mime-types-or-iframe-for-other-or-unspecified-mime-typescnnvd
- https://www.tiny.cloud/docs/tinymce/7/7.0-release-notes/#convert_unsafe_embeds-editor-option-is-now-defaulted-to-truecnnvd
- https://github.com/tinymce/tinymce/commit/bcdea2ad14e3c2cea40743fb48c63bba067ae6d1enisa_euvd
- https://github.com/tinymce/tinymce/security/advisories/GHSA-5359-pvf2-pw78enisa_euvd
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