Cross-site scripting vulnerability in TinyMCE
Published Jan 3, 2024
6.1
MEDIUMCVSS 3.1
EPSS 1.07%
Description
TinyMCE versions before 5.9.0 are affected by a stored cross-site scripting vulnerability. An unauthenticated and remote attacker could insert crafted HTML into the editor resulting in arbitrary JavaScript execution in another user's browser.
Affected products
No data.
No data.
No Red Hat product state for this CVE.
tinymce
npm
Introduced 0 Fixed 5.9.0TinyMCE
NuGet
Introduced 0 Fixed 5.9.0tinymce/tinymce
Packagist
Introduced 0 Fixed 5.9.0
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| npm | tinymce | 0 | 5.9.0 |
| NuGet | TinyMCE | 0 | 5.9.0 |
| Packagist | tinymce/tinymce | 0 | 5.9.0 |
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Jan 8, 2024 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2024–2026- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (6 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.07% (0.01066) | 63.49th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.07% (0.01066) | 60.23th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.76% (0.00755) | 71.52th | v4 (v2025.03.14) |
| Jan 9, 2025 | 1.57% (0.01568) | 86.95th | v3 (v2023.03.01) |
| Dec 12, 2024 | 0.22% (0.00224) | 61.60th | v3 (v2023.03.01) |
| Jan 18, 2024 | 0.20% (0.00196) | 57.53th | v3 (v2023.03.01) |
References (4)
- https://github.com/advisories/GHSA-5h9g-x5rv-25wg Advisoryvendor-advisoryExploitThird Party Advisory
- https://github.com/tinymce/tinymce/security/advisories/GHSA-5h9g-x5rv-25wg vendor-advisoryExploitThird Party Advisory
- https://vulncheck.com/advisories/vc-advisory-GHSA-5h9g-x5rv-25wg third-party-advisoryThird Party Advisory
- https://www.tiny.cloud/docs/release-notes/release-notes59/#securityfixes relatedRelease Notes
| Link | Providers | Tags |
|---|---|---|
| https://github.com/advisories/GHSA-5h9g-x5rv-25wg | Advisoryvendor-advisoryExploitThird Party Advisory | |
| https://github.com/tinymce/tinymce/security/advisories/GHSA-5h9g-x5rv-25wg | vendor-advisoryExploitThird Party Advisory | |
| https://vulncheck.com/advisories/vc-advisory-GHSA-5h9g-x5rv-25wg | third-party-advisoryThird Party Advisory | |
| https://www.tiny.cloud/docs/release-notes/release-notes59/#securityfixes | relatedRelease Notes |
Change history (0)
No recorded changes yet.