{"id":"CVE-2023-33195","aliases":["GHSA-qpgm-gjgf-8c2x"],"url":"https://o3.security/vulnerability/CVE-2023-33195","summary":"Craft CMS XSS in RSS widget feed","details":"### Summary\nA malformed RSS feed can deliver an XSS payload\n\n### PoC\nCreate an RSS widget and add the domain https://blog.whitebear.vn/file/rss-xss2.rss\nThe XSS payload will be triggered by the title in tag `<item>`\n\nResolved in https://github.com/craftcms/cms/commit/b77cb3023bed4f4a37c11294c4d319ff9f598e1f\n","published":"2023-05-27T03:51:35.684Z","modified":"2026-08-12T03:51:29.922694255Z","cvss":{"score":5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"Packagist","name":"craftcms/cms","fixedVersion":"4.4.6"}],"fix":{"url":"https://github.com/craftcms/cms/commit/b77cb3023bed4f4a37c11294c4d319ff9f598e1f","label":"craftcms/cms@b77cb30"},"references":[{"type":"WEB","url":"https://github.com/craftcms/cms/releases/tag/4.4.6"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/33xxx/CVE-2023-33195.json"},{"type":"ADVISORY","url":"https://github.com/craftcms/cms/security/advisories/GHSA-qpgm-gjgf-8c2x"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-33195"},{"type":"FIX","url":"https://github.com/craftcms/cms/commit/b77cb3023bed4f4a37c11294c4d319ff9f598e1f"},{"type":"PACKAGE","url":"https://github.com/craftcms/cms"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:29.922694255Z"}}