{"id":"CVE-2026-115513","state":"PUBLISHED","title":"OpenCATS before 0.12.0 Stored XSS via MRU Navigation Panel","description":"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.","publishedAt":"2026-10-22T16:52:10.542Z","updatedAt":"2026-10-23T13:28:36.941Z","severity":{"score":6.3,"label":"Medium","version":"4.0","vector":"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","source":"VulnCheck"},"assigner":"VulnCheck","products":["opencats OpenCATS"],"affected":[{"vendor":"opencats","product":"OpenCATS","packageURL":"pkg:github/opencats/OpenCATS","defaultStatus":"unaffected","versions":[{"version":"0.10.0","status":"affected","lessThan":"0.12.0","versionType":"semver"}],"repo":"https://github.com/opencats/OpenCATS"}],"references":["https://github.com/opencats/OpenCATS/commit/f82e0ee3045845b90b7e111c46f30998496e38a8","https://github.com/opencats/OpenCATS/commits/master/lib/MRU.php","https://github.com/opencats/OpenCATS/releases/tag/v0.12.0","https://www.vulncheck.com/advisories/opencats-before-stored-xss-via-mru-navigation-panel"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:10:43.281Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/115xxx/CVE-2026-115513.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-115513","state":"PUBLISHED","datePublished":"2026-10-22T16:52:10.542Z","dateUpdated":"2026-10-23T13:28:36.941Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-10-22T16:51:13.265Z"},"containers":{"cna":{"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."}],"affected":[{"vendor":"opencats","product":"OpenCATS","packageURL":"pkg:github/opencats/OpenCATS","defaultStatus":"unaffected","versions":[{"version":"0.10.0","status":"affected","lessThan":"0.12.0","versionType":"semver"}],"repo":"https://github.com/opencats/OpenCATS"}],"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"]}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-10-23T13:28:36.941Z"},"tags":["x_open-source"],"datePublic":"2026-10-22T00:00:00.000Z","cpeApplicability":[{"operator":"OR","nodes":[{"operator":"OR","cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:opencats:opencats:-:*:*:*:*:*:*:*","versionStartIncluding":"0.10.0","versionEndExcluding":"0.12.0"}]}]}],"credits":[{"lang":"en","value":"Abbos Eshmurzayev","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"vulncheck"}}}}}