There is an open redirect in the plugin that allows an attacker to malform a request to a page with the plugin and then redirect the victim to a malicious page. There is also a support comment from another user one year ago (https://wordpress.org/support/topic/phast-php-used-for-remote-fetch/) that says that the php involved in the request only go to whitelisted pages but it's possible to redirect the victim to any domain.
{"id": "WPEX-ID:9B3C5412-8699-49E8-B60C-20D2085857FB", "type": "wpexploit", "bulletinFamily": "exploit", "title": "PhastPress < 1.111 - Open Redirect", "description": "There is an open redirect in the plugin that allows an attacker to malform a request to a page with the plugin and then redirect the victim to a malicious page. There is also a support comment from another user one year ago (https://wordpress.org/support/topic/phast-php-used-for-remote-fetch/) that says that the php involved in the request only go to whitelisted pages but it's possible to redirect the victim to any domain. \n", "published": "2021-03-19T00:00:00", "modified": "2021-03-20T16:41:24", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N"}, "href": "", "reporter": "Felipe Restrepo Rodriguez", "references": ["https://plugins.trac.wordpress.org/changeset/2497610/"], "cvelist": ["CVE-2021-24210"], "immutableFields": [], "lastseen": "2021-04-13T15:27:04", "viewCount": 128, "enchantments": {"dependencies": {"references": [{"type": "cve", "idList": ["CVE-2021-24210"]}, {"type": "wpvulndb", "idList": ["WPVDB-ID:9B3C5412-8699-49E8-B60C-20D2085857FB"]}], "rev": 4}, "score": {"value": 5.6, "vector": "NONE"}, "backreferences": {"references": [{"type": "cve", "idList": ["CVE-2021-24210"]}, {"type": "wpvulndb", "idList": ["WPVDB-ID:9B3C5412-8699-49E8-B60C-20D2085857FB"]}]}, "exploitation": null, "vulnersScore": 5.6}, "sourceData": "https://example.com/wp-content/plugins/phastpress/phast.php?service=scripts&src=https%3A%2F%2Fwpscan.com\r\nhttps://example.com/wp-content/plugins/phastpress/phast.php/c2VydmljZT1pbWFnZXMmc3JjPWh0dHBzJTNBJTJGJTJGd3BzY2FuLmNvbSZjYWNoZU1hcmtlcj0mdG9rZW49.q.png\r\n\r\nc2VydmljZT1pbWFnZXMmc3JjPWh0dHBzJTNBJTJGJTJGd3BzY2FuLmNvbSZjYWNoZU1hcmtlcj0mdG9rZW49 being the base64 of service=images&src=https%3A%2F%2Fwpscan.com&cacheMarker=&token=", "generation": 1, "cvss2": {}, "cvss3": {}, "_state": {"dependencies": 1646112086}}
{"cve": [{"lastseen": "2022-03-23T14:49:25", "description": "There is an open redirect in the PhastPress WordPress plugin before 1.111 that allows an attacker to malform a request to a page with the plugin and then redirect the victim to a malicious page. There is also a support comment from another user one year ago (https://wordpress.org/support/topic/phast-php-used-for-remote-fetch/) that says that the php involved in the request only go to whitelisted pages but it's possible to redirect the victim to any domain.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "baseScore": 6.1, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 2.7}, "published": "2021-04-05T19:15:00", "type": "cve", "title": "CVE-2021-24210", "cwe": ["CWE-601"], "bulletinFamily": "NVD", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-24210"], "modified": "2021-04-12T11:28:00", "cpe": [], "id": "CVE-2021-24210", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-24210", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N"}, "cpe23": []}], "wpvulndb": [{"lastseen": "2021-04-13T15:27:04", "bulletinFamily": "software", "cvelist": ["CVE-2021-24210"], "description": "There is an open redirect in the plugin that allows an attacker to malform a request to a page with the plugin and then redirect the victim to a malicious page. There is also a support comment from another user one year ago (https://wordpress.org/support/topic/phast-php-used-for-remote-fetch/) that says that the php involved in the request only go to whitelisted pages but it's possible to redirect the victim to any domain. \n\n### PoC\n\nhttps://example.com/wp-content/plugins/phastpress/phast.php?service=scripts&src;=https%3A%2F%2Fwpscan.com https://example.com/wp-content/plugins/phastpress/phast.php/c2VydmljZT1pbWFnZXMmc3JjPWh0dHBzJTNBJTJGJTJGd3BzY2FuLmNvbSZjYWNoZU1hcmtlcj0mdG9rZW49.q.png c2VydmljZT1pbWFnZXMmc3JjPWh0dHBzJTNBJTJGJTJGd3BzY2FuLmNvbSZjYWNoZU1hcmtlcj0mdG9rZW49 being the base64 of service=images&src;=https%3A%2F%2Fwpscan.com&cacheMarker;=&token;=\n", "modified": "2021-03-20T16:41:24", "id": "WPVDB-ID:9B3C5412-8699-49E8-B60C-20D2085857FB", "href": "https://wpscan.com/vulnerability/9b3c5412-8699-49e8-b60c-20d2085857fb", "published": "2021-03-19T00:00:00", "type": "wpvulndb", "title": "PhastPress < 1.111 - Open Redirect", "sourceData": "", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N"}}]}