{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-49436", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-30T02:43:33.105Z", "datePublished": "2026-08-20T21:40:54.087Z", "dateUpdated": "2026-08-20T21:40:54.087Z"}, "containers": {"cna": {"title": "LinkAce vulnerable to stored XSS via 'javascript:' URI in Bulk Link API", "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "lang": "en", "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/Kovah/LinkAce/security/advisories/GHSA-6r73-pchm-4m39", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/Kovah/LinkAce/security/advisories/GHSA-6r73-pchm-4m39"}, {"name": "https://github.com/Kovah/LinkAce/commit/642ac520347205a8277668bcae269bdc21223eae", "tags": ["x_refsource_MISC"], "url": "https://github.com/Kovah/LinkAce/commit/642ac520347205a8277668bcae269bdc21223eae"}], "affected": [{"vendor": "Kovah", "product": "LinkAce", "versions": [{"version": "< 2.5.7", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-20T21:40:54.087Z"}, "descriptions": [{"lang": "en", "value": "LinkAce is a self-hosted archive to collect website links. Prior to version 2.5.7, the Bulk Link API endpoint (`POST /api/v2/bulk/links`) accepts URLs without any format validation, allowing an authenticated user to store a `javascript:` URI. The stored URI is later rendered verbatim as an `href` in Blade templates, and clicking it executes arbitrary JavaScript in the victim's browser \u2014 exfiltrating cookies and session tokens. Version 2.5.7 fixes the issue."}], "source": {"advisory": "GHSA-6r73-pchm-4m39", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "LinkAce", "vendor": "Kovah", "versions": [{"status": "affected", "version": "< 2.5.7"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "LinkAce is a self-hosted archive to collect website links. Prior to version 2.5.7, the Bulk Link API endpoint (`POST /api/v2/bulk/links`) accepts URLs without any format validation, allowing an authenticated user to store a `javascript:` URI. The stored URI is later rendered verbatim as an `href` in Blade templates, and clicking it executes arbitrary JavaScript in the victim's browser \u2014 exfiltrating cookies and session tokens. Version 2.5.7 fixes the issue."}], "id": "CVE-2026-49436", "lastModified": "2026-08-20T22:17:20.240", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 5.2, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-08-20T22:17:20.240", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/Kovah/LinkAce/commit/642ac520347205a8277668bcae269bdc21223eae"}, {"source": "security-advisories@github.com", "url": "https://github.com/Kovah/LinkAce/security/advisories/GHSA-6r73-pchm-4m39"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2.5.7)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "LinkAce", "source": "cna", "vendor": "Kovah"}, "product": "linkace", "vendor": "kovah"}], "created": "2026-08-21T01:00:04.340242+00:00", "updated": "2026-08-21T01:00:04.532953+00:00", "vendors": ["kovah", "kovah$PRODUCT$linkace"]}