{
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    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2017-20207",
        "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "state": "PUBLISHED",
        "assignerShortName": "Wordfence",
        "dateReserved": "2025-10-17T15:00:40.646Z",
        "datePublished": "2025-10-18T03:33:24.941Z",
        "dateUpdated": "2026-04-08T17:17:08.314Z"
    },
    "containers": {
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                "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
                "shortName": "Wordfence",
                "dateUpdated": "2026-04-08T17:17:08.314Z"
            },
            "affected": [
                {
                    "vendor": "Dan Coulter",
                    "product": "Flickr Gallery",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "lessThan": "1.5.3",
                            "versionType": "semver"
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                {
                    "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."
                }
            ],
            "title": "Flickr Gallery <= 1.5.2 - Unauthenticated PHP Object Injection",
            "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"
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "CWE-502 Deserialization of Untrusted Data",
                            "cweId": "CWE-502",
                            "type": "CWE"
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                        "baseScore": 9.8,
                        "baseSeverity": "CRITICAL"
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                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "type": "finder",
                    "value": "Matt Barry"
                }
            ],
            "timeline": [
                {
                    "time": "2017-10-02T00:00:00.000Z",
                    "lang": "en",
                    "value": "Disclosed"
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        },
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                                "timestamp": "2025-10-20T15:17:08.574613Z",
                                "id": "CVE-2017-20207",
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                                        "Exploitation": "none"
                                    },
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                                        "Automatable": "yes"
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                                        "Technical Impact": "total"
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                                "role": "CISA Coordinator",
                                "version": "2.0.3"
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                "title": "CISA ADP Vulnrichment",
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                    "dateUpdated": "2025-10-20T15:17:19.670Z"
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