{"id":"CVE-2024-8480","state":"PUBLISHED","title":"Image Optimizer, Resizer and CDN – Sirv <= 7.2.7 - Missing Authorization to Authenticated (Contributor+) Arbitrary File Upload","description":"The Image Optimizer, Resizer and CDN – Sirv plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'sirv_save_prevented_sizes' function in all versions up to, and including, 7.2.7. This makes it possible for authenticated attackers, with Contributor-level access and above, to exploit the 'sirv_upload_file_by_chunks_callback' function, which lacks proper file type validation, allowing attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.","publishedAt":"2024-09-06T03:30:40.246Z","updatedAt":"2026-04-08T16:40:46.096Z","severity":{"score":8.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"Wordfence"},"assigner":"Wordfence","products":["sirv Image Optimizer, Resizer and CDN – Sirv"],"affected":[{"vendor":"sirv","product":"Image Optimizer, Resizer and CDN – Sirv","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"7.2.7","versionType":"semver"}]}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/1e3e628f-b5e7-40fd-9d34-4a3b23e1e0e7?source=cve","https://plugins.trac.wordpress.org/browser/sirv/trunk/sirv.php?rev=3103410#L4647","https://plugins.trac.wordpress.org/browser/sirv/tags/7.2.7/sirv.php#L6331","https://plugins.trac.wordpress.org/changeset/3115018/"],"weaknesses":["CWE-862"],"ingestedAt":"2026-10-29T20:08:20.985Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/8xxx/CVE-2024-8480.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-8480","state":"PUBLISHED","datePublished":"2024-09-06T03:30:40.246Z","dateUpdated":"2026-04-08T16:40:46.096Z","assignerShortName":"Wordfence","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateReserved":"2024-09-05T15:29:33.920Z"},"containers":{"cna":{"title":"Image Optimizer, Resizer and CDN – Sirv <= 7.2.7 - Missing Authorization to Authenticated (Contributor+) Arbitrary File Upload","descriptions":[{"lang":"en","value":"The Image Optimizer, Resizer and CDN – Sirv plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'sirv_save_prevented_sizes' function in all versions up to, and including, 7.2.7. This makes it possible for authenticated attackers, with Contributor-level access and above, to exploit the 'sirv_upload_file_by_chunks_callback' function, which lacks proper file type validation, allowing attackers to upload arbitrary files on the affected site's server which may make remote code execution possible."}],"affected":[{"vendor":"sirv","product":"Image Optimizer, Resizer and CDN – Sirv","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"7.2.7","versionType":"semver"}]}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/1e3e628f-b5e7-40fd-9d34-4a3b23e1e0e7?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/sirv/trunk/sirv.php?rev=3103410#L4647"},{"url":"https://plugins.trac.wordpress.org/browser/sirv/tags/7.2.7/sirv.php#L6331"},{"url":"https://plugins.trac.wordpress.org/changeset/3115018/"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-862","lang":"en","description":"CWE-862 Missing Authorization","type":"CWE"}]}],"providerMetadata":{"shortName":"Wordfence","orgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateUpdated":"2026-04-08T16:40:46.096Z"},"credits":[{"lang":"en","type":"finder","value":"Nicola Scattaglia"}],"timeline":[{"time":"2024-08-21T17:42:14.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"title":"CISA ADP Vulnrichment","affected":[{"vendor":"sirv","product":"sirv","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"7.2.7","versionType":"semver"}],"cpes":["cpe:2.3:a:sirv:sirv:*:*:*:*:*:*:*:*"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-09-06T13:38:29.091867Z","id":"CVE-2024-8480","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-09-06T13:41:44.706Z"}}]}}}