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: 0.5% (42nd percentile of EPSS-scored CVEs). 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
- 6.1MEDIUMmedium confidence
- EG Risk
- 28EG Risk 28/100CISA SSVC
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity61% × 45%Exploitation1% × 40%Automatability0% × 15%CISA SSVC: Track at every mission impact level.Action: A fix is available. Apply it within your standard update timelines. - EPSS PROB
- 0.5%
- EPSS %ILE
- 43rd
- KEV
- Not listed
CISA SSVCTrack at every mission impact level.
A fix is available. Apply it within your standard update timelines.
Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table
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 | Fix (by version range) / 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 | Fix by version range | Dependents |
|---|---|---|---|
| tinymce | — |
| — |
NuGet(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| TinyMCE | 7.0.0, 7.0.1, 7.1.0, 7.1.1, 7.1.2 |
| — |
Packagist(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| tinymce/tinymce | 7.0.0, 7.0.1, 7.1.0, 7.1.1, 7.1.2 |
| — |
PyPI(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| django-tinymce | 1.0 ... 4.0.0 (51 versions) |
| — |
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 8× in last 7d / 34× 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.
Showing the most recent 100 of 204 total refreshes for this CVE.
- 2026-10-10 19:58 UTCEPSS rescore
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- 2026-09-18 19:26 UTCEPSS rescore
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- 2026-07-28 12:20 UTCOSV refresh
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- 2026-07-23 02:38 UTCEG score recompute
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Related CVEs(same product + same vendor + same CWE)
Same product
10 shownPyPI:django-tinymce · NuGet:TinyMCE
Same vendor
6 shownubuntu:USN-8223-1
Frequently asked(5)
What is CVE-2024-38356?
When was CVE-2024-38356 disclosed?
Is CVE-2024-38356 actively exploited?
What is the CVSS score of CVE-2024-38356?
How do I remediate CVE-2024-38356?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2024-38356
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