CVE-2026-47762
HighSummary
TinyMCE is an open source rich text editor that prior to versions 5.11.1, 7.9.3, and 8.5.1 had a stored XSS vulnerability via forged mce:protected comments. This allows attackers to bypass sanitization and inject scripts that execute when content is restored.
Risk Assessment
This vulnerability impacts users utilizing the protect option, potentially leading to unauthorized code execution in the user's browser context.
Recommendation
It is recommended to update TinyMCE to versions 5.11.1, 7.9.3, or 8.5.1 to mitigate this vulnerability.
Other vulnerabilities in TinyMCE
See all- CVE-2026-47760High
TinyMCE is an open source rich text editor that from versions 6.8.0 to before 7.1.0 contains an XSS vulnerability due to improper SVG namespace scope handling in the sanitizer. A crafted payload using nested elements can bypass attribute sanitization and execute arbitrary JavaScript.
- CVE-2026-47759High
TinyMCE is an open source rich text editor that prior to versions 5.11.1, 7.9.3, and 8.5.1 had a stored XSS vulnerability via unsanitized data-mce-* attributes. This allows attackers to inject malicious values that can override safe attributes during serialization.
- CVE-2024-21911Medium
Stored XSS vulnerability in TinyMCE before version 5.6.0. An unauthenticated remote attacker can inject crafted HTML into the editor, leading to arbitrary JavaScript execution in another user's browser.
- CVE-2024-21910Medium
An XSS vulnerability in TinyMCE before version 5.10.0 allows a remote, unauthenticated attacker to inject malicious JavaScript via crafted image or link URLs. The code executes in the browser of a user editing content.
- CVE-2024-21908Medium
Stored XSS vulnerability in TinyMCE before version 5.9.0. An unauthenticated remote attacker can inject crafted HTML into the editor, leading to arbitrary JavaScript execution in another user's browser.
Original NVD description (English source)
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.