{"id":"CVE-2024-29203","published":"2024-03-26T13:23:53Z","modified":"2024-08-06T14:37:35Z","title":"TinyMCE Cross-Site Scripting (XSS) vulnerability in handling iframes","vendor":"tinymce","product":"tinymce","tier":"tail","description":{"text":"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` elements are restricted in their permissions by same-origin browser protections, but could still trigger operations such as downloading of malicious assets. This vulnerability is fixed in 6.8.1.","provenance":"source","from":"CVE.org"},"cvss":{"score":4.3,"severity":"MEDIUM","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.00713,"percentile":0.53596,"provenance":"source"},"cwes":[{"id":"CWE-79","name":"Improper Neutralization of Input During Web Page Generation"}],"references":[{"url":"https://github.com/tinymce/tinymce/security/advisories/GHSA-438c-3975-5x3f","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/tinymce/tinymce/commit/bcdea2ad14e3c2cea40743fb48c63bba067ae6d1","tags":["x_refsource_MISC"]},{"url":"https://www.tiny.cloud/docs/tinymce/6/6.8.1-release-notes/#new-convert_unsafe_embeds-option-that-controls-whether-object-and-embed-elements-will-be-converted-to-more-restrictive-alternatives-namely-img-for-image-mime-types-video-for-video-mime-types-audio-audio-mime-types-or-iframe-for-other-or-unspecified-mime-types","tags":["x_refsource_MISC"]},{"url":"https://www.tiny.cloud/docs/tinymce/7/7.0-release-notes/#sandbox_iframes-editor-option-is-now-defaulted-to-true","tags":["x_refsource_MISC"]}],"priority":{"score":13.7,"factors":[{"name":"EPSS percentile","points":10.72},{"name":"CVSS severity","points":3.01}]},"vendorSlug":"tinymce","affectedVersions":[{"vendor":"tinymce","product":"tinymce","versions":["< 6.8.1"]}],"affected":[{"ecosystem":"npm","package":"tinymce","vulnerableRanges":["<6.8.1"],"patched":["6.8.1"],"from":["GHSA-438c-3975-5x3f"],"provenance":"source"},{"ecosystem":"NuGet","package":"TinyMCE","vulnerableRanges":["<6.8.1"],"patched":["6.8.1"],"from":["GHSA-438c-3975-5x3f"],"provenance":"source"},{"ecosystem":"Packagist","package":"tinymce/tinymce","vulnerableRanges":["<6.8.1"],"patched":["6.8.1"],"from":["GHSA-438c-3975-5x3f"],"provenance":"source"}],"euvd":{"id":"EUVD-2024-0810","exploited":false,"provenance":"source"},"lineage":{"familyId":"fam-tinymce-cve-2020-12648","parents":[{"from":"CVE-2020-12648","to":"CVE-2024-29203","relation":"related","confidence":"medium","kind":"lineage","evidence":[{"kind":"same-code","provenance":"machine","files":["modules/tinymce/src/core/main/ts/html/ParserFilters.ts"],"commits":["https://github.com/tinymce/tinymce/commit/2b71c922214d388838d930806207a66c14e80f63","https://github.com/tinymce/tinymce/commit/696e43658dc9750ec24fdc4650bd2be9653daf5b","https://github.com/tinymce/tinymce/commit/bcdea2ad14e3c2cea40743fb48c63bba067ae6d1"],"basis":"rarely changed file"}]}],"packageHistory":[{"cve":"CVE-2023-45818","published":"2023-10-19","fixed":"6.7.1","kev":false},{"cve":"CVE-2023-45819","published":"2023-10-19","fixed":"6.7.1","kev":false},{"cve":"CVE-2023-48219","published":"2023-11-15","fixed":"6.7.3","kev":false,"link":{"from":"CVE-2023-48219","to":"CVE-2024-29203","relation":"successor","confidence":"low","kind":"sequence","evidence":[{"kind":"version-step","provenance":"source","package":"npm:tinymce","fromFixed":"6.7.3","toFixed":"6.8.1","daysApart":132},{"kind":"version-step","provenance":"source","package":"Packagist:tinymce/tinymce","fromFixed":"6.7.3","toFixed":"6.8.1","daysApart":132}]}},{"cve":"CVE-2024-29203","published":"2024-03-26","fixed":"6.8.1","kev":false},{"cve":"CVE-2024-29881","published":"2024-03-26","fixed":"7.0.0","kev":false},{"cve":"CVE-2026-47760","published":"2026-05-28","fixed":"7.1.0","kev":false},{"cve":"CVE-2024-38356","published":"2024-06-19","fixed":"7.2.0","kev":false,"link":{"from":"CVE-2024-29203","to":"CVE-2024-38356","relation":"successor","confidence":"high","kind":"sequence","evidence":[{"kind":"version-step","provenance":"source","package":"npm:tinymce","fromFixed":"6.8.1","toFixed":"6.8.4","daysApart":85},{"kind":"version-step","provenance":"source","package":"Packagist:tinymce/tinymce","fromFixed":"6.8.1","toFixed":"6.8.4","daysApart":85},{"kind":"same-code","provenance":"machine","files":["modules/tinymce/src/core/main/ts/api/html/DomParser.ts"],"commits":["https://github.com/tinymce/tinymce/commit/bcdea2ad14e3c2cea40743fb48c63bba067ae6d1","https://github.com/tinymce/tinymce/commit/5acb741665a98e83d62b91713c800abbff43b00d","https://github.com/tinymce/tinymce/commit/a9fb858509f86dacfa8b01cfd34653b408983ac0"],"basis":"shared file"}]}},{"cve":"CVE-2024-38357","published":"2024-06-19","fixed":"7.2.0","kev":false,"link":{"from":"CVE-2024-29203","to":"CVE-2024-38357","relation":"successor","confidence":"high","kind":"sequence","evidence":[{"kind":"version-step","provenance":"source","package":"npm:tinymce","fromFixed":"6.8.1","toFixed":"6.8.4","daysApart":85},{"kind":"version-step","provenance":"source","package":"Packagist:tinymce/tinymce","fromFixed":"6.8.1","toFixed":"6.8.4","daysApart":85},{"kind":"same-code","provenance":"machine","files":["modules/tinymce/src/core/main/ts/api/html/DomParser.ts"],"commits":["https://github.com/tinymce/tinymce/commit/bcdea2ad14e3c2cea40743fb48c63bba067ae6d1","https://github.com/tinymce/tinymce/commit/5acb741665a98e83d62b91713c800abbff43b00d","https://github.com/tinymce/tinymce/commit/a9fb858509f86dacfa8b01cfd34653b408983ac0"],"basis":"shared file"}]}}],"package":"npm:tinymce"}}