Description
The WP Shieldon WordPress plugin, versions 1.6.3 and below, were vulnerable to Unauthenticated Reflected Cross-Site Scripting (XSS) when the CAPTCHA page is shown. This was due to $_SERVER['REQUEST_URI'] being echoed to a page without any encoding.
Related
{"id": "WPEX-ID:8D0EB0B4-0CC0-44E5-B720-90B01DF3A6EE", "type": "wpexploit", "bulletinFamily": "exploit", "title": "WP Shieldon 1.6.3 - Unauthenticated Cross-Site Scripting (XSS)", "description": "The WP Shieldon WordPress plugin, versions 1.6.3 and below, were vulnerable to Unauthenticated Reflected Cross-Site Scripting (XSS) when the CAPTCHA page is shown. This was due to $_SERVER['REQUEST_URI'] being echoed to a page without any encoding.\n", "published": "2021-01-18T00:00:00", "modified": "2021-01-29T06:00:50", "cvss": {"score": 0.0, "vector": "NONE"}, "href": "", "reporter": "wpvulndb", "references": [], "cvelist": ["CVE-2021-24124"], "lastseen": "2021-02-15T22:14:17", "viewCount": 108, "enchantments": {"dependencies": {"references": [{"type": "cve", "idList": ["CVE-2021-24124"]}, {"type": "wpvulndb", "idList": ["WPVDB-ID:8D0EB0B4-0CC0-44E5-B720-90B01DF3A6EE"]}], "rev": 4}, "score": {"value": 3.4, "vector": "NONE"}, "backreferences": {"references": [{"type": "cve", "idList": ["CVE-2021-24124"]}, {"type": "wpvulndb", "idList": ["WPVDB-ID:8D0EB0B4-0CC0-44E5-B720-90B01DF3A6EE"]}]}, "exploitation": null, "vulnersScore": 3.4}, "sourceData": "http://www.example.com/?<script>alert(1)</script>", "generation": 1, "immutableFields": [], "cvss2": {}, "cvss3": {}, "_state": {"dependencies": 1645855449}}
{"wpvulndb": [{"lastseen": "2021-02-15T22:14:17", "bulletinFamily": "software", "cvelist": ["CVE-2021-24124"], "description": "The WP Shieldon WordPress plugin, versions 1.6.3 and below, were vulnerable to Unauthenticated Reflected Cross-Site Scripting (XSS) when the CAPTCHA page is shown. This was due to $_SERVER['REQUEST_URI'] being echoed to a page without any encoding.\n\n### PoC\n\nhttp://www.example.com/?\n", "modified": "2021-01-29T06:00:50", "published": "2021-01-18T00:00:00", "id": "WPVDB-ID:8D0EB0B4-0CC0-44E5-B720-90B01DF3A6EE", "href": "https://wpscan.com/vulnerability/8d0eb0b4-0cc0-44e5-b720-90b01df3a6ee", "type": "wpvulndb", "title": "WP Shieldon 1.6.3 - Unauthenticated Cross-Site Scripting (XSS)", "sourceData": "", "cvss": {"score": 0.0, "vector": "NONE"}}], "cve": [{"lastseen": "2022-03-23T14:47:15", "description": "Unvalidated input and lack of output encoding in the WP Shieldon WordPress plugin, version 1.6.3 and below, leads to Unauthenticated Reflected Cross-Site Scripting (XSS) when the CAPTCHA page is shown could lead to privileged escalation.", "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": "2021-03-18T15:15:00", "type": "cve", "title": "CVE-2021-24124", "cwe": ["CWE-79"], "bulletinFamily": "NVD", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-24124"], "modified": "2021-03-23T18:18:00", "cpe": ["cpe:/a:terryl:wp_shieldon:1.6.3"], "id": "CVE-2021-24124", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-24124", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:N"}, "cpe23": ["cpe:2.3:a:terryl:wp_shieldon:1.6.3:*:*:*:*:wordpress:*:*"]}]}