{"id":"CVE-2026-0521","state":"PUBLISHED","title":"Reflected Cross-Site Scripting in PDF Export Error Message","description":"A reflected cross-site scripting (XSS) vulnerability in the PDF export functionality of the TYDAC AG MAP+ solution allows unauthenticated attackers to craft a malicious URL, that if visited by a victim, will execute arbitrary JavaScript in the victim's context. Such a URL could be delivered through various means, for instance, by sending a link or by tricking victims to visit a page crafted by the attacker.\n\n\n\nThis issue was verified in MAP+: 3.4.0.","publishedAt":"2026-02-06T06:17:02.239Z","updatedAt":"2026-02-06T15:22:50.179Z","severity":{"score":5.6,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","source":"NCSC.ch"},"assigner":"NCSC.ch","products":["TYDAC AG MAP+"],"affected":[{"vendor":"TYDAC AG","product":"MAP+","defaultStatus":"unknown","versions":[{"version":"0","status":"unaffected","lessThan":"3.0.0","versionType":"custom"}]}],"references":["https://www.tydac.ch/en/mapplus/","https://www.redguard.ch/blog/2026/02/05/advisory-tydac-mapplus/"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:10:13.529Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/0xxx/CVE-2026-0521.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-0521","state":"PUBLISHED","datePublished":"2026-02-06T06:17:02.239Z","dateUpdated":"2026-02-06T15:22:50.179Z","assignerShortName":"NCSC.ch","assignerOrgId":"455daabc-a392-441d-aa46-37d35189897c","dateReserved":"2025-12-17T08:22:37.425Z"},"containers":{"cna":{"title":"Reflected Cross-Site Scripting in PDF Export Error Message","descriptions":[{"lang":"en","value":"A reflected cross-site scripting (XSS) vulnerability in the PDF export functionality of the TYDAC AG MAP+ solution allows unauthenticated attackers to craft a malicious URL, that if visited by a victim, will execute arbitrary JavaScript in the victim's context. Such a URL could be delivered through various means, for instance, by sending a link or by tricking victims to visit a page crafted by the attacker.\n\n\n\nThis issue was verified in MAP+: 3.4.0."}],"affected":[{"vendor":"TYDAC AG","product":"MAP+","defaultStatus":"unknown","versions":[{"version":"0","status":"unaffected","lessThan":"3.0.0","versionType":"custom"}]}],"references":[{"url":"https://www.tydac.ch/en/mapplus/","tags":["product"]},{"url":"https://www.redguard.ch/blog/2026/02/05/advisory-tydac-mapplus/","tags":["third-party-advisory","technical-description"]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.6,"baseSeverity":"MEDIUM","exploitMaturity":"PROOF_OF_CONCEPT","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"ACTIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"HIGH","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 (XSS or 'Cross-site Scripting')","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"NCSC.ch","orgId":"455daabc-a392-441d-aa46-37d35189897c","dateUpdated":"2026-02-06T06:17:02.239Z"},"credits":[{"lang":"en","type":"finder","value":"Benjamin Faller, Redguard AG"},{"lang":"en","type":"finder","value":"David Wischnjak, Redguard AG"}],"impacts":[{"capecId":"CAPEC-63","descriptions":[{"lang":"en","value":"CAPEC-63 Cross-Site Scripting (XSS)"}]}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.5.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-02-06T15:20:38.525756Z","id":"CVE-2026-0521","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-06T15:22:50.179Z"}}]}}}