CVE-2017-20207

{"id": "CVE-2017-20207", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security@wordfence.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2025-10-18T04:15:58.753", "references": [{"url": "https://plugins.trac.wordpress.org/changeset/1737576/flickr-gallery", "tags": ["Patch"], "source": "security@wordfence.com"}, {"url": "https://www.wordfence.com/blog/2017/10/3-zero-day-plugin-vulnerabilities-exploited-wild/", "tags": ["Press/Media Coverage", "Third Party Advisory"], "source": "security@wordfence.com"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/b52ae51d-7b9a-4047-82bf-723ea87d2375?source=cve", "tags": ["Third Party Advisory"], "source": "security@wordfence.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security@wordfence.com", "description": [{"lang": "en", "value": "CWE-502"}]}], "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."}], "lastModified": "2026-01-05T19:27:18.650", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:dancoulter:flickr_gallery:*:*:*:*:*:wordpress:*:*", "vulnerable": true, "matchCriteriaId": "0E79F0B9-56EE-42A4-A315-A49FA6799CED", "versionEndIncluding": "1.5.2"}], "operator": "OR"}]}], "sourceIdentifier": "security@wordfence.com"}