CVE-2026-47761: tiny tinymce Cross-site Scripting
Vulnerability summary
CVE-2026-47761 is a high (CVSS 8.7) Cross-site Scripting vulnerability in tiny tinymce. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 17.2% of scored vulnerabilities.
Timeline
- 28-05-2026PublishedVulnerability first disclosed.
- 28-05-2026Last modifiedVulnerability information updated.
Description
TinyMCE is an open source rich text editor. Prior to 5.11.1, 7.9.3, and 8.5.1, there is a stored XSS vulnerability in the media plugin. Attackers can inject malicious scripts via crafted data-mce-* attributes, which are executed when content is rendered. Impacts users of TinyMCE with the media plugin enabled. This vulnerability is fixed in 5.11.1, 7.9.3, and 8.5.1.
CVSS metrics
5 scores · 5 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NDiffers
- OSV · NpmEcosystem advisory · calculated8.7HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
- OSV · NugetEcosystem advisory · calculated8.7HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
- NVDNIST5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.26%
Chance of exploitation in the next 30 days
Percentile
17%
Versus all other CVEs
30-day change
0.00 pp
From 0.26% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Tinymce2 products
- tinymce≤ 5.10.9 | ≥ 6.0.0, < 7.9.3 | ≥ 8.0.0, < 8.5.1
- tinymce< 5.11.1 | ≥ 6.0.0, ≤ 6.8.6 | ≥ 7.0.0, < 7.9.3 | ≥ 8.0.0, < 8.5.1
Npm1 product
- tinymce≤ 5.10.9 | ≥ 6.0.0, < 7.9.3 | ≥ 8.0.0, < 8.5.1
NuGet1 product
- TinyMCE≤ 5.10.9 | ≥ 6.0.0, < 7.9.3 | ≥ 8.0.0, < 8.5.1
Tiny1 product
- tinymce< 5.11.1 | ≥ 6.0.0, < 7.9.3 | ≥ 8.0.0, < 8.5.1
Ubuntu1 product
- tinymceAll versions (No fix recorded)
5 vendors · 6 products
References
7 links- github.com/tinymce/tinymce/security/advisories/GHSA-vg35-5wq7-3x7wX Refsource CONFIRMREPORTWEBPatchVendor Advisory
- github.com/tinymce/tinymcePACKAGE