The Pie Register – User Registration Forms. Invitation based registrations, Custom Login, Payments WordPress plugin before 3.7.0.1 does not sanitise the invitaion_code GET parameter when outputting it in the Activation Code page, leading to a reflected Cross-Site Scripting issue.
{"id": "CVE-2021-24239", "vendorId": null, "type": "cve", "bulletinFamily": "NVD", "title": "CVE-2021-24239", "description": "The Pie Register \u00e2\u20ac\u201c User Registration Forms. Invitation based registrations, Custom Login, Payments WordPress plugin before 3.7.0.1 does not sanitise the invitaion_code GET parameter when outputting it in the Activation Code page, leading to a reflected Cross-Site Scripting issue.", "published": "2021-04-22T21:15:00", "modified": "2021-04-30T14:02:00", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:N"}, "cvss2": {"cvssV2": {"version": "2.0", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "accessVector": "NETWORK", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "availabilityImpact": "NONE", "baseScore": 4.3}, "severity": "MEDIUM", "exploitabilityScore": 8.6, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}, "cvss3": {"cvssV3": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM"}, "exploitabilityScore": 2.8, "impactScore": 2.7}, "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-24239", "reporter": "contact@wpscan.com", "references": ["https://wpscan.com/vulnerability/f1b67f40-642f-451e-a67a-b7487918ee34", "https://plugins.trac.wordpress.org/changeset/2507536/"], "cvelist": ["CVE-2021-24239"], "immutableFields": [], "lastseen": "2022-03-23T14:50:03", "viewCount": 10, "enchantments": {"dependencies": {"references": [{"type": "wpexploit", "idList": ["WPEX-ID:F1B67F40-642F-451E-A67A-B7487918EE34"]}, {"type": "wpvulndb", "idList": ["WPVDB-ID:F1B67F40-642F-451E-A67A-B7487918EE34"]}], "rev": 4}, "score": {"value": 1.8, "vector": "NONE"}, "twitter": {"counter": 4, "modified": "2021-04-28T11:49:16", "tweets": [{"link": "https://twitter.com/WolfgangSesin/status/1388173892745842690", "text": "New post from https://t.co/uXvPWJy6tj?amp=1 (CVE-2021-24239 (pie_register)) has been published on https://t.co/KP0G2TkElS?amp=1"}, {"link": "https://twitter.com/WolfgangSesin/status/1388173892745842690", "text": "New post from https://t.co/uXvPWJy6tj?amp=1 (CVE-2021-24239 (pie_register)) has been published on https://t.co/KP0G2TkElS?amp=1"}, {"link": "https://twitter.com/www_sesin_at/status/1388173952686739456", "text": "New post from https://t.co/9KYxtdZjkl?amp=1 (CVE-2021-24239 (pie_register)) has been published on https://t.co/zipGdVnxB6?amp=1"}, {"link": "https://twitter.com/www_sesin_at/status/1388173952686739456", "text": "New post from https://t.co/9KYxtdZjkl?amp=1 (CVE-2021-24239 (pie_register)) has been published on https://t.co/zipGdVnxB6?amp=1"}]}, "backreferences": {"references": [{"type": "wpexploit", "idList": ["WPEX-ID:F1B67F40-642F-451E-A67A-B7487918EE34"]}, {"type": "wpvulndb", "idList": ["WPVDB-ID:F1B67F40-642F-451E-A67A-B7487918EE34"]}]}, "exploitation": null, "vulnersScore": 1.8}, "_state": {"dependencies": 0}, "_internal": {}, "cna_cvss": {"cna": null, "cvss": {}}, "cpe": [], "cpe23": [], "cwe": ["CWE-79"], "affectedSoftware": [{"cpeName": "genetechsolutions:pie_register", "version": "3.7.0.1", "operator": "lt", "name": "genetechsolutions pie register"}], "affectedConfiguration": [], "cpeConfiguration": {"CVE_data_version": "4.0", "nodes": [{"operator": "OR", "children": [], "cpe_match": [{"vulnerable": true, "cpe23Uri": "cpe:2.3:a:genetechsolutions:pie_register:3.7.0.1:*:*:*:*:wordpress:*:*", "versionEndExcluding": "3.7.0.1", "cpe_name": []}]}]}, "extraReferences": [{"url": "https://wpscan.com/vulnerability/f1b67f40-642f-451e-a67a-b7487918ee34", "name": "https://wpscan.com/vulnerability/f1b67f40-642f-451e-a67a-b7487918ee34", "refsource": "CONFIRM", "tags": ["Exploit", "Third Party Advisory"]}, {"url": "https://plugins.trac.wordpress.org/changeset/2507536/", "name": "https://plugins.trac.wordpress.org/changeset/2507536/", "refsource": "MISC", "tags": ["Patch", "Third Party Advisory"]}]}
{"wpvulndb": [{"lastseen": "2021-05-02T11:30:43", "bulletinFamily": "software", "cvelist": ["CVE-2021-24239"], "description": "The plugin does not sanitise the invitaion_code GET parameter when outputting it in the Activation Code page, leading to a reflected Cross-Site Scripting issue.\n\n### PoC\n\nhttps://example.com/wp-admin/admin.php?page=pr_new_registration_form&show;_dash_widget=1&invitaion;_code=PHNjcmlwdD5hbGVydCgxKTs8L3NjcmlwdD4=\n", "modified": "2021-04-04T07:01:04", "id": "WPVDB-ID:F1B67F40-642F-451E-A67A-B7487918EE34", "href": "https://wpscan.com/vulnerability/f1b67f40-642f-451e-a67a-b7487918ee34", "published": "2021-04-03T00:00:00", "type": "wpvulndb", "title": "Pie Register < 3.7.0.1 - Reflected Cross-Site Scripting (XSS)", "sourceData": "", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:N"}}], "wpexploit": [{"lastseen": "2021-05-02T11:30:43", "bulletinFamily": "exploit", "cvelist": ["CVE-2021-24239"], "description": "The plugin does not sanitise the invitaion_code GET parameter when outputting it in the Activation Code page, leading to a reflected Cross-Site Scripting issue.\n", "modified": "2021-04-04T07:01:04", "published": "2021-04-03T00:00:00", "id": "WPEX-ID:F1B67F40-642F-451E-A67A-B7487918EE34", "href": "", "type": "wpexploit", "title": "Pie Register < 3.7.0.1 - Reflected Cross-Site Scripting (XSS)", "sourceData": "https://example.com/wp-admin/admin.php?page=pr_new_registration_form&show_dash_widget=1&invitaion_code=PHNjcmlwdD5hbGVydCgxKTs8L3NjcmlwdD4=", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:N"}}]}