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.
CVE-2024-29881
This medium-severity CVE scores 4.3 under NVD CVSS v3. EPSS exploit probability: 5.1%, top 10% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 4.3
- EG Score
- 4.3(medium)
- EPSS
- 49.7%
- KEV
- Not listed
Published
March 26, 2024
Last Modified
September 2, 2025
References (8)
- security-advisories@githubhttps://github.com/tinymce/tinymce/commit/bcdea2ad14e3c2cea40743fb48c63bba067ae6d1
- security-advisories@githubhttps://github.com/tinymce/tinymce/security/advisories/GHSA-5359-pvf2-pw78
- security-advisories@githubhttps://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
- security-advisories@githubhttps://www.tiny.cloud/docs/tinymce/7/7.0-release-notes/#convert_unsafe_embeds-editor-option-is-now-defaulted-to-true
- af854a3a-2127-422b-91ae-364da2661108https://github.com/tinymce/tinymce/commit/bcdea2ad14e3c2cea40743fb48c63bba067ae6d1
- af854a3a-2127-422b-91ae-364da2661108https://github.com/tinymce/tinymce/security/advisories/GHSA-5359-pvf2-pw78
- af854a3a-2127-422b-91ae-364da2661108https://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
- af854a3a-2127-422b-91ae-364da2661108https://www.tiny.cloud/docs/tinymce/7/7.0-release-notes/#convert_unsafe_embeds-editor-option-is-now-defaulted-to-true
Affected Packages
(3 across 3 ecosystems)
npm(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| tinymce | — | 7.0.0 | — |
NuGet(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| TinyMCE | 3.4.3.2 ... 6.8.3 (207 versions) | 7.0.0 | — |
Packagist(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| tinymce/tinymce | 4.0.0 ... 6.8.3 (200 versions) | 7.0.0 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 11× in last 7d / 50× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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- 2026-05-24 05:53 UTCEG score recompute
Related CVEs(same CWE)
Frequently asked(5)
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Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2024-29881
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