{"id":"CVE-2017-20207","state":"PUBLISHED","title":"Flickr Gallery <= 1.5.2 - Unauthenticated PHP Object Injection","description":"The Flickr Gallery plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 1.5.2 via deserialization of untrusted input from the `pager ` parameter. This allows unauthenticated attackers to inject a PHP Object. Attackers were actively exploiting this vulnerability with the WP_Theme() class to create backdoors.","publishedAt":"2025-10-18T03:33:24.941Z","updatedAt":"2026-04-08T17:17:08.314Z","severity":{"score":9.8,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"Wordfence"},"assigner":"Wordfence","products":["Dan Coulter Flickr Gallery"],"affected":[{"vendor":"Dan Coulter","product":"Flickr Gallery","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.5.3","versionType":"semver"}]}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/b52ae51d-7b9a-4047-82bf-723ea87d2375?source=cve","https://www.wordfence.com/blog/2017/10/3-zero-day-plugin-vulnerabilities-exploited-wild/","https://plugins.trac.wordpress.org/changeset/1737576/flickr-gallery"],"weaknesses":["CWE-502"],"ingestedAt":"2026-10-29T19:43:37.076Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2017/20xxx/CVE-2017-20207.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2017-20207","state":"PUBLISHED","datePublished":"2025-10-18T03:33:24.941Z","dateUpdated":"2026-04-08T17:17:08.314Z","assignerShortName":"Wordfence","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateReserved":"2025-10-17T15:00:40.646Z"},"containers":{"cna":{"title":"Flickr Gallery <= 1.5.2 - Unauthenticated PHP Object Injection","descriptions":[{"lang":"en","value":"The Flickr Gallery plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 1.5.2 via deserialization of untrusted input from the `pager ` parameter. This allows unauthenticated attackers to inject a PHP Object. Attackers were actively exploiting this vulnerability with the WP_Theme() class to create backdoors."}],"affected":[{"vendor":"Dan Coulter","product":"Flickr Gallery","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.5.3","versionType":"semver"}]}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/b52ae51d-7b9a-4047-82bf-723ea87d2375?source=cve"},{"url":"https://www.wordfence.com/blog/2017/10/3-zero-day-plugin-vulnerabilities-exploited-wild/"},{"url":"https://plugins.trac.wordpress.org/changeset/1737576/flickr-gallery"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-502","lang":"en","description":"CWE-502 Deserialization of Untrusted Data","type":"CWE"}]}],"providerMetadata":{"shortName":"Wordfence","orgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateUpdated":"2026-04-08T17:17:08.314Z"},"credits":[{"lang":"en","type":"finder","value":"Matt Barry"}],"timeline":[{"time":"2017-10-02T00:00:00.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-10-20T15:17:08.574613Z","id":"CVE-2017-20207","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-20T15:17:19.670Z"}}]}}}