CVE-2026-47762: tiny tinymce Cross-site Scripting
Vulnerability summary
CVE-2026-47762 is a high (CVSS 8.7) Cross-site Scripting vulnerability in tiny tinymce. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 19.4% 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 via forged mce:protected comments. Allows attackers to bypass sanitization and inject scripts that execute when content is restored. Impacts users who utilize the protect option. 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
0.28%
Chance of exploitation in the next 30 days
Percentile
19%
Versus all other CVEs
30-day change
0.00 pp
From 0.28% 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-v98h-vmpc-fpqvX Refsource CONFIRMREPORTWEBVendor Advisory
- github.com/tinymce/tinymcePACKAGE