{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-115513", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-22T16:51:13.265Z", "datePublished": "2026-10-22T16:52:10.542Z", "dateUpdated": "2026-10-23T13:28:36.941Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-23T13:28:36.941Z" }, "title": "OpenCATS before 0.12.0 Stored XSS via MRU Navigation Panel", "descriptions": [ { "lang": "en", "value": "OpenCATS before 0.12.0 contains a stored cross-site scripting vulnerability that allows a low-privileged authenticated user to inject HTML/JavaScript payloads by setting a Candidate, Company, Contact, Job Order, or List name/title field, which is stored unsanitized and later rendered unescaped in the 'Recent' (MRU) navigation panel displayed on nearly every page via lib/MRU.php's getFormatted() function. Attackers can exploit this by crafting a malicious record name that executes arbitrary JavaScript in the session of any other user, including Site Administrators, who views the record, enabling session/cookie theft and privilege escalation to full administrative control." } ], "tags": [ "x_open-source" ], "datePublic": "2026-10-22T00:00:00.000Z", "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "cweId": "CWE-79", "type": "CWE" } ] } ], "affected": [ { "defaultStatus": "unaffected", "vendor": "opencats", "product": "OpenCATS", "packageURL": "pkg:github/opencats/OpenCATS", "repo": "https://github.com/opencats/OpenCATS", "versions": [ { "status": "affected", "version": "0.10.0", "versionType": "semver", "lessThan": "0.12.0" } ] } ], "cpeApplicability": [ { "operator": "OR", "nodes": [ { "operator": "OR", "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:opencats:opencats:-:*:*:*:*:*:*:*", "versionStartIncluding": "0.10.0", "versionEndExcluding": "0.12.0" } ] } ] } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV4_0": { "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 6.3, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N" } }, { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV3_1": { "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "version": "3.1", "baseSeverity": "HIGH", "baseScore": 8.7, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N" } } ], "references": [ { "url": "https://github.com/opencats/OpenCATS/commit/f82e0ee3045845b90b7e111c46f30998496e38a8", "tags": [ "issue-tracking", "patch" ] }, { "url": "https://github.com/opencats/OpenCATS/commits/master/lib/MRU.php", "tags": [ "issue-tracking" ] }, { "url": "https://github.com/opencats/OpenCATS/releases/tag/v0.12.0", "name": "OpenCATS v0.12.0 Release Notes", "tags": [ "patch", "release-notes" ] }, { "url": "https://www.vulncheck.com/advisories/opencats-before-stored-xss-via-mru-navigation-panel", "name": "VulnCheck Advisory: OpenCATS before 0.12.0 Stored XSS via MRU Navigation Panel", "tags": [ "third-party-advisory" ] } ], "credits": [ { "lang": "en", "value": "Abbos Eshmurzayev", "type": "finder" } ], "source": { "discovery": "UNKNOWN" }, "x_generator": { "engine": "vulncheck" } } } }