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OpenAdvisories

Package · Ubuntu

tinymce

19 known vulnerabilities.

19 results · Feed

  • High 8.5

    TinyMCE Cross-Site Scripting (XSS) vulnerability using media plugin `data-mce-object` serialization

    TinyMCE is an open source rich text editor. From 7.9.3 until 7.9.4 and from 8.5.1 until 8.9.3, the media plugin creates elements crafted through data-mce-object in the active document before sanitization. Those elements can execute malicious scripts during pr…

  • High 8.7

    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 use…

  • High 8.7
    CVE-2026-47761 Public exploit

    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. Impa…

  • High 8.7

    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 s…

  • High 8.7

    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 execu…

  • Medium 4.3

    TinyMCE Cross-Site Scripting (XSS) vulnerability in handling external SVG files through Object or Embed elements

    TinyMCE is an open source rich text editor. A cross-site scripting (XSS) vulnerability was discovered in TinyMCE’s content loading and content inserting code. A SVG image could be loaded though an `object` or `embed` element and that image could potentially c…

  • Medium 4.3

    TinyMCE Cross-Site Scripting (XSS) vulnerability in handling iframes

    TinyMCE is an open source rich text editor. A cross-site scripting (XSS) vulnerability was discovered in TinyMCE’s content insertion code. This allowed `iframe` elements containing malicious code to execute when inserted into the editor. These `iframe` elemen…

  • Medium 6.1

    Cross-site scripting vulnerability in TinyMCE

    TinyMCE versions before 5.6.0 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.

  • Medium 6.1

    Cross-site scripting vulnerability in TinyMCE plugins

    TinyMCE versions before 5.10.0 are affected by a cross-site scripting vulnerability. A remote and unauthenticated attacker could introduce crafted image or link URLs that would result in the execution of arbitrary JavaScript in an editing user's browser.

  • Medium 6.1

    Cross-site scripting vulnerability in TinyMCE

    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.

  • Medium 6.1

    Special characters in unescaped text nodes can trigger mXSS in TinyMCE

    TinyMCE is an open source rich text editor. A mutation cross-site scripting (mXSS) vulnerability was discovered in TinyMCE’s core undo/redo functionality and other APIs and plugins. Text nodes within specific parents are not escaped upon serialization accordi…

  • Medium 6.1

    Cross-site Scripting vulnerability in TinyMCE undo/redo, getContent API, resetContent API, and Autosave plugin

    TinyMCE is an open source rich text editor. A mutation cross-site scripting (mXSS) vulnerability was discovered in TinyMCE’s core undo and redo functionality. When a carefully-crafted HTML snippet passes the XSS sanitisation layer, it is manipulated as a stri…

  • Medium 6.1

    Cross-site Scripting vulnerability in TinyMCE notificationManager.open API

    TinyMCE is an open source rich text editor. A cross-site scripting (XSS) vulnerability was discovered in TinyMCE’s Notification Manager API. The vulnerability exploits TinyMCE's unfiltered notification system, which is used in error handling. The conditions f…

  • Medium 5.4

    Cross-site scripting vulnerability in TinyMCE alerts

    tinymce is an open source rich text editor. A cross-site scripting (XSS) vulnerability was discovered in the alert and confirm dialogs when these dialogs were provided with malicious HTML content. This can occur in plugins that use the alert or confirm dialog…

  • Medium 6.1

    Cross-site scripting vulnerability in TinyMCE

    A cross-site scripting (XSS) vulnerability in TinyMCE 5.2.1 and earlier allows remote attackers to inject arbitrary web script when configured in classic editing mode.

  • High —

    Cross-site scripting vulnerability in TinyMCE

    TinyMCE before 4.9.7 and 5.x before 5.1.4 allows XSS in the core parser, the paste plugin, and the visualchars plugin by using the clipboard or APIs to insert content into the editor.

  • Medium —

    XSS in TinyMCE

    tinymce 4.7.11, 4.7.12 is affected by: CWE-79: Improper Neutralization of Input During Web Page Generation. The impact is: JavaScript code execution. The component is: Media element. The attack vector is: The victim must paste malicious content to media eleme…

  • Unscored —

    The bbcode plugin in TinyMCE 3.5.8 does not properly enforce the TinyMCE security policy for the (1) encoding directive…

  • Medium —

    PHP Spellchecker addon for TinyMCE allows attackers to trigger arbitrary outbound HTTP requests

    classes/GoogleSpell.php in the PHP Spellchecker (aka Google Spellchecker) addon before 2.0.6.1 for TinyMCE, as used in Moodle 2.1.x before 2.1.10, 2.2.x before 2.2.7, 2.3.x before 2.3.4, and 2.4.x before 2.4.1 and other products, does not properly handle cont…