{"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"}}}}