{"id":"CVE-2026-88793","state":"PUBLISHED","title":"YouTube Embed 10.0 - 10.3 - Unauthenticated Stored XSS via youram_server","description":"The YouTube Embed WordPress plugin from 10.0 to 10.3 does not perform any authorisation check on one of its AJAX actions, relying only on a nonce it prints on every front-end page, and does not escape the stored data before rendering it, allowing unauthenticated attackers to store arbitrary web scripts which will execute in the session of any user viewing the affected content, including an administrator.","publishedAt":"2026-09-13T20:06:36.557Z","updatedAt":"2026-09-14T12:39:08.064Z","severity":{"score":8.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","source":"WPScan"},"assigner":"WPScan","products":["Unknown YouTube Embed"],"affected":[{"vendor":"Unknown","product":"YouTube Embed","defaultStatus":"unknown","versions":[{"version":"10.0","status":"affected","lessThanOrEqual":"10.3","versionType":"semver"}],"collectionURL":"https://wordpress.org/plugins"}],"references":["https://wpscan.com/vulnerability/7f695b0c-5dbc-4f3e-9b3f-c3558b1729ad/"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/88xxx/CVE-2026-88793.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-88793","state":"PUBLISHED","datePublished":"2026-09-13T20:06:36.557Z","dateUpdated":"2026-09-14T12:39:08.064Z","assignerShortName":"WPScan","assignerOrgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateReserved":"2026-09-10T08:09:26.182Z"},"containers":{"cna":{"title":"YouTube Embed 10.0 - 10.3 - Unauthenticated Stored XSS via youram_server","descriptions":[{"lang":"en","value":"The YouTube Embed WordPress plugin from 10.0 to 10.3 does not perform any authorisation check on one of its AJAX actions, relying only on a nonce it prints on every front-end page, and does not escape the stored data before rendering it, allowing unauthenticated attackers to store arbitrary web scripts which will execute in the session of any user viewing the affected content, including an administrator."}],"affected":[{"vendor":"Unknown","product":"YouTube Embed","defaultStatus":"unknown","versions":[{"version":"10.0","status":"affected","lessThanOrEqual":"10.3","versionType":"semver"}],"collectionURL":"https://wordpress.org/plugins"}],"references":[{"url":"https://wpscan.com/vulnerability/7f695b0c-5dbc-4f3e-9b3f-c3558b1729ad/","tags":["exploit","vdb-entry","technical-description"]}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"description":"CWE-79 Cross-Site Scripting (XSS)","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"WPScan","orgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateUpdated":"2026-09-13T20:06:36.557Z"},"credits":[{"lang":"en","value":"Adem0n__","type":"finder"},{"lang":"en","value":"WPScan","type":"coordinator"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"WPScan CVE Generator"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-14T12:37:03.897781Z","id":"CVE-2026-88793","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","type":"CWE","lang":"en","description":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-14T12:39:08.064Z"}}]}}}