Composer Tinymce/tinymce vulnerabilities
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Published CVEs affecting Composer Tinymce/tinymce: 4 record(s), with affected versions and fixes.
CVE-2026-47762
Medium · 5.4
CWE-79 May 28, 2026
TinyMCE Cross-Site Scripting (XSS) vulnerability through `mce:protected` comments
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.
CVE-2026-47761
Medium · 5.4
CWE-79 May 28, 2026
TinyMCE Cross-Site Scripting (XSS) vulnerability using media plugin `data-mce-object` injection
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.
CVE-2026-47760
Medium · 5.4
CWE-79 May 28, 2026
TinyMCE Cross-Site Scripting (XSS) vulnerability using sanitization bypass through nested SVGs
TinyMCE is an open source rich text editor. From 6.8.0 to before 7.1.0, TinyMCE contains an XSS vulnerability caused by improper SVG namespace scope handling in the sanitizer. A crafted payload using nested elements can bypass attribute sanitization and execute arbitrary JavaScript. This vulnerability is fixed in 7.1.0.
CVE-2026-47759
Medium · 5.4
CWE-79 May 28, 2026
TinyMCE Cross-Site Scripting (XSS) vulnerability using through data-mce- prefixed src, href, style attributes
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 unsanitized data-mce-* attributes (data-mce-href, data-mce-src, data-mce-style). Allows attackers to inject malicious values that override safe attributes during serialization, bypassing validation. This vulnerability is fixed in 5.11.1, 7.9.3, and 8.5.1.