{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-4313", "assignerOrgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6", "state": "PUBLISHED", "assignerShortName": "CERT-PL", "dateReserved": "2026-03-17T07:07:58.093Z", "datePublished": "2026-04-24T11:05:42.839Z", "dateUpdated": "2026-04-24T12:01:12.557Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "AdaptiveGRC", "vendor": "C&F", "versions": [{"lessThan": "5.420.66", "status": "affected", "version": "5.420.00", "versionType": "custom"}, {"lessThan": "5.444.119", "status": "affected", "version": "5.420.00", "versionType": "custom"}, {"lessThan": "5.448.116", "status": "affected", "version": "5.420.00", "versionType": "custom"}, {"lessThan": "5.453.110", "status": "affected", "version": "5.420.00", "versionType": "custom"}, {"lessThan": "5.454.64", "status": "affected", "version": "5.420.00", "versionType": "custom"}, {"lessThan": "5.455.87", "status": "affected", "version": "5.420.00", "versionType": "custom"}, {"lessThan": "5.456.60", "status": "affected", "version": "5.420.00", "versionType": "custom"}, {"lessThan": "5.499.113", "status": "affected", "version": "5.420.00", "versionType": "custom"}]}, {"defaultStatus": "unaffected", "modules": ["Angular"], "product": "AdaptiveGRC", "vendor": "C&F", "versions": [{"lessThan": "5.420.14", "status": "affected", "version": "5.420.00", "versionType": "custom"}, {"lessThan": "5.423.7", "status": "affected", "version": "5.420.00", "versionType": "custom"}, {"lessThan": "5.444.20", "status": "affected", "version": "5.420.00", "versionType": "custom"}, {"lessThan": "5.448.42", "status": "affected", "version": "5.420.00", "versionType": "custom"}, {"lessThan": "5.449.40", "status": "affected", "version": "5.420.00", "versionType": "custom"}, {"lessThan": "5.453.19", "status": "affected", "version": "5.420.00", "versionType": "custom"}, {"lessThan": "5.454.17", "status": "affected", "version": "5.420.00", "versionType": "custom"}, {"lessThan": "5.456.20", "status": "affected", "version": "5.420.00", "versionType": "custom"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Antoni Kwietniewski (mBank)"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "AdaptiveGRC is vulnerable to Stored XSS via text type fields across the forms. 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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.420.00,5.420.66)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.420.00,5.444.119)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.420.00,5.448.116)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.420.00,5.453.110)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.420.00,5.454.64)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.420.00,5.455.87)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.420.00,5.456.60)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.420.00,5.499.113)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "AdaptiveGRC", "source": "cna", "vendor": "C&F"}, "product": "adaptivegrc", "vendor": "c&f"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.420.00,5.420.14)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.420.00,5.423.7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.420.00,5.444.20)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.420.00,5.448.42)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.420.00,5.449.40)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.420.00,5.453.19)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.420.00,5.454.17)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.420.00,5.456.20)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "AdaptiveGRC", "source": "cna", "vendor": "C&F"}, "product": "adaptivegrc", "vendor": "c&f"}], "analysis": {"en": {"generated_at": "2026-04-28T06:53:39.360550+00:00", "value": {"mitigation_remediation": ["Upgrade to AdaptiveGRC versions released in or after December\u00a02025, which contain the fix for the stored XSS vulnerability.", "If an upgrade cannot be performed immediately, enforce strict input validation on all text fields: sanitize or escape any HTML tags before storage so that user\u2011supplied script payloads cannot be preserved.", "Apply a Content Security Policy that blocks inline scripts or script execution on pages that display user input, thereby preventing the execution of any malicious code that might survive sanitization."], "summary": {"action": "Patch", "impact": "Privilege escalation via Stored XSS that can grant attacker administrative tokens"}, "threat_synthesis": {"affected_systems": "The vulnerability affects C&F AdaptiveGRC releases before December 2025. The product is AdaptiveGRC, a governance, risk, and compliance platform. All versions released prior to December 2025 are susceptible; later releases contain the fix.", "description_and_impact": "AdaptiveGRC is susceptible to stored cross-site scripting through any text input field. An authenticated user can submit crafted content that the server stores without validating or sanitizing. When another user \u2013 such as an administrator \u2013 views the affected page, the malicious script runs in the victim\u2019s browser. Because the script can capture session cookies or authentication tokens, the attacker may acquire the administrator authentication token and perform actions with administrative privileges, potentially leading to full compromise of the system.", "risk_and_exploitability": "The CVSS base score is 2.4, indicating low overall severity, and the EPSS score is below 1%, suggesting exploitation likelihood is currently very low. The vulnerability is not listed in the CISA KEV catalog. Exploitation requires an authenticated session that can post data to the server, meaning an attacker would first need valid user credentials. However, once authenticated, the attacker can inject arbitrary JavaScript into stored fields, obtaining administrative session data. Despite the low score, this could serve as a foothold for lateral movement or credential theft, so monitoring and timely patching remain advisable."}}}}, "created": "2026-04-28T07:00:09.512328+00:00", "updated": "2026-04-28T09:18:00.778792+00:00", "vendors": ["c&f", "c&f$PRODUCT$adaptivegrc"]}