TinyMCE is an open source rich text editor. A cross-site scripting (XSS) vulnerability was discovered in TinyMCE’s content extraction code. When using the noneditable_regexp option, specially crafted HTML attributes containing malicious code were able to be executed when content was extracted from the editor. This vulnerability has been patched in TinyMCE 7.2.0, TinyMCE 6.8.4 and TinyMCE 5.11.0 LTS by ensuring that, when using the noneditable_regexp option, any content within an attribute is properly verified to match the configured regular expression before being added. Users are advised to upgrade. There are no known workarounds for this vulnerability.
CVE-2024-38356
This medium-severity CVE scores 6.1 under NVD CVSS v3. EPSS exploit probability: 0.7%, top 27% 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
A fix is available — apply it.
- CVSS v3
- 6.1
- EG Score
- 6.1(medium)
- EPSS
- 41.0%
- KEV
- Not listed
Published
June 19, 2024
Last Modified
April 15, 2026
References (10)
- security-advisories@githubhttps://github.com/tinymce/tinymce/commit/5acb741665a98e83d62b91713c800abbff43b00d
- security-advisories@githubhttps://github.com/tinymce/tinymce/security/advisories/GHSA-9hcv-j9pv-qmph
- security-advisories@githubhttps://owasp.org/www-community/attacks/xss
- security-advisories@githubhttps://www.tiny.cloud/docs/tinymce/6/6.8.4-release-notes/#overview
- security-advisories@githubhttps://www.tiny.cloud/docs/tinymce/7/7.2-release-notes/#overview
- af854a3a-2127-422b-91ae-364da2661108https://github.com/tinymce/tinymce/commit/5acb741665a98e83d62b91713c800abbff43b00d
- af854a3a-2127-422b-91ae-364da2661108https://github.com/tinymce/tinymce/security/advisories/GHSA-9hcv-j9pv-qmph
- af854a3a-2127-422b-91ae-364da2661108https://owasp.org/www-community/attacks/xss
- af854a3a-2127-422b-91ae-364da2661108https://www.tiny.cloud/docs/tinymce/6/6.8.4-release-notes/#overview
- af854a3a-2127-422b-91ae-364da2661108https://www.tiny.cloud/docs/tinymce/7/7.2-release-notes/#overview
Patch Availability(1)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | roundcube-sqlite3 (1.2~beta+dfsg.1-0ubuntu1+esm8) @ xenial | 2026-05-22 | ubuntu |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(4 across 4 ecosystems)
npm(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| tinymce | — | 7.2.0 | — |
NuGet(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| TinyMCE | 7.0.0, 7.0.1, 7.1.0, 7.1.1, 7.1.2 | 7.2.0 | — |
Packagist(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| tinymce/tinymce | 7.0.0, 7.0.1, 7.1.0, 7.1.1, 7.1.2 | 7.2.0 | — |
PyPI(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| django-tinymce | 1.0 ... 4.0.0 (51 versions) | 4.1.0 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
All Vendor Advisories
(1)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Data Freshness Timeline
(refreshed 10× in last 7d / 45× 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.
- 2026-07-12 05:45 UTCEPSS rescore
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- 2026-06-23 21:32 UTCEPSS rescore
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- 2026-06-04 16:09 UTCOSV refresh
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- 2026-05-23 00:09 UTCEG score recompute
- 2026-05-22 21:16 UTCEPSS rescore
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- 2026-05-22 00:49 UTCEG score recompute
- 2026-05-22 00:49 UTCVendor advisory
- 2026-05-21 22:42 UTCEPSS rescore
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Frequently asked(5)
What is CVE-2024-38356?
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Dependency Blast Radius
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