{"api_version":"1","generated_at":"2026-10-30T22:12:00+00:00","cve":"CVE-2026-105454","urls":{"html":"https://cve.report/CVE-2026-105454","api":"https://cve.report/api/cve/CVE-2026-105454.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-105454","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-105454"},"summary":{"title":"Stored XSS via crafted URLs in HTML ticket content in Request Tracker","description":"RT's automatic link creation for URLs in HTML ticket content does\n      not HTML-escape the URL it places in the link. A URL crafted to\n      break out of the link's address can add a script that runs when the\n      ticket history is displayed, with no further action by the viewer.\n      Anyone who can add HTML content to a ticket can plant it. That\n      includes an unauthenticated sender of HTML email to any queue that\n      grants CreateTicket or ReplyToTicket to Everyone, which is routine\n      for a queue that accepts mail from the public. The script runs in\n      the session of any user who views the ticket, and can act in RT\n      with that user's authority.\n\n\nThis issue was fixed in version 5.0.11 and 6.0.4","state":"PUBLISHED","assigner":"CERT-PL","published_at":"2026-10-30 16:17:36","updated_at":"2026-10-30 19:37:07"},"problem_types":["CWE-79","CWE-79 CWE-79 Improper neutralization of input during web page generation ('cross-site scripting')"],"metrics":[{"version":"4.0","source":"cvd@cert.pl","type":"Secondary","score":"5.3","severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","data":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}},{"version":"4.0","source":"CNA","type":"CVSS","score":"5.3","severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","data":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.3,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW","vulnerabilityResponseEffort":"NOT_DEFINED"}}],"references":[{"url":"https://requesttracker.com/request-tracker/","name":"https://requesttracker.com/request-tracker/","refsource":"cvd@cert.pl","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://cert.pl/en/posts/2026/10/CVE-2026-105454","name":"https://cert.pl/en/posts/2026/10/CVE-2026-105454","refsource":"cvd@cert.pl","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-105454","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-105454","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Best Practical Solutions","product":"Request Tracker","version":"affected 5.0.0 5.0.11 semver","platforms":[]},{"source":"CNA","vendor":"Best Practical Solutions","product":"Request Tracker","version":"affected 6.0.0 6.0.4 semver","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[{"source":"CNA","title":"","value":"Set @Active_MakeClicky to an empty list in\n      RT_SiteConfig.pm and restart the web server. 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A URL crafted to\n      break out of the link's address can add a script that runs when the\n      ticket history is displayed, with no further action by the viewer.\n      Anyone who can add HTML content to a ticket can plant it. That\n      includes an unauthenticated sender of HTML email to any queue that\n      grants CreateTicket or ReplyToTicket to Everyone, which is routine\n      for a queue that accepts mail from the public. The script runs in\n      the session of any user who views the ticket, and can act in RT\n      with that user's authority.<div><br></div><div>This issue was fixed in version&nbsp;5.0.11 and 6.0.4</div>"}],"value":"RT's automatic link creation for URLs in HTML ticket content does\n      not HTML-escape the URL it places in the link. A URL crafted to\n      break out of the link's address can add a script that runs when the\n      ticket history is displayed, with no further action by the viewer.\n      Anyone who can add HTML content to a ticket can plant it. That\n      includes an unauthenticated sender of HTML email to any queue that\n      grants CreateTicket or ReplyToTicket to Everyone, which is routine\n      for a queue that accepts mail from the public. The script runs in\n      the session of any user who views the ticket, and can act in RT\n      with that user's authority.\n\n\nThis issue was fixed in version 5.0.11 and 6.0.4"}],"impacts":[{"capecId":"CAPEC-592","descriptions":[{"lang":"en","value":"CAPEC-592 Stored XSS"}]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.3,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","description":"CWE-79 Improper neutralization of input during web page generation ('cross-site scripting')","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-10-30T15:34:57.607Z","orgId":"4bb8329e-dd38-46c1-aafb-9bf32bcb93c6","shortName":"CERT-PL"},"references":[{"tags":["third-party-advisory"],"url":"https://cert.pl/en/posts/2026/10/CVE-2026-105454"},{"tags":["product"],"url":"https://requesttracker.com/request-tracker/"}],"source":{"discovery":"INTERNAL"},"tags":["x_open-source"],"title":"Stored XSS via crafted URLs in HTML ticket content in Request Tracker","workarounds":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Set @Active_MakeClicky to an empty list in\n      RT_SiteConfig.pm and restart the web server. This disables\n      automatic link creation for URLs in ticket content."}],"value":"Set @Active_MakeClicky to an empty list in\n      RT_SiteConfig.pm and restart the web server. This disables\n      automatic link creation for URLs in ticket content."}],"x_generator":{"engine":"Vulnogram 1.0.3"}}},"cveMetadata":{"assignerOrgId":"4bb8329e-dd38-46c1-aafb-9bf32bcb93c6","assignerShortName":"CERT-PL","cveId":"CVE-2026-105454","datePublished":"2026-10-30T15:34:57.607Z","dateReserved":"2026-10-05T14:00:11.458Z","dateUpdated":"2026-10-30T17:18:21.963Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-30 16:17:36","lastModifiedDate":"2026-10-30 19:37:07","problem_types":["CWE-79","CWE-79 CWE-79 Improper neutralization of input during web page generation ('cross-site scripting')"],"metrics":{"cvssMetricV40":[{"source":"cvd@cert.pl","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-10-30T17:05:55.793778Z","id":"CVE-2026-105454","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"105454","Ordinal":"1","Title":"Stored XSS via crafted URLs in HTML ticket content in Request Tr","CVE":"CVE-2026-105454","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"105454","Ordinal":"1","NoteData":"RT's automatic link creation for URLs in HTML ticket content does\n      not HTML-escape the URL it places in the link. A URL crafted to\n      break out of the link's address can add a script that runs when the\n      ticket history is displayed, with no further action by the viewer.\n      Anyone who can add HTML content to a ticket can plant it. That\n      includes an unauthenticated sender of HTML email to any queue that\n      grants CreateTicket or ReplyToTicket to Everyone, which is routine\n      for a queue that accepts mail from the public. The script runs in\n      the session of any user who views the ticket, and can act in RT\n      with that user's authority.\n\n\nThis issue was fixed in version 5.0.11 and 6.0.4","Type":"Description","Title":"Stored XSS via crafted URLs in HTML ticket content in Request Tr"}]}}}