{"id":"CVE-2026-105987","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-105987","generatedAt":"2026-10-27T23:59:27.743Z","title":"KGS Software tia Viewer is vulnerable to Stored XSS via the annotation API.","description":"KGS Software tia Viewer is vulnerable to Stored XSS via the annotation API. Due to the lack of input validation, an authenticated attacker can inject arbitrary JavaScript payload into a stickynote annotation. When any user opens the document, the viewer renders the annotation and the browser executes the payload. This may lead to compromising the user's session.\nThis issue has been fixed in version 1.2.8.","published":"2026-10-27T15:16:31.000Z","lastModified":"2026-10-27T16:04:23.000Z","status":"Deferred","sourceIdentifier":"cvd@cert.pl","cvss":{"version":"4.0","score":5.1,"severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/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/M"},"cwe":["CWE-79"],"affected":[],"epss":null,"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and no EPSS score yet. Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-27T15:16:31.000Z","detail":{"score":"5.1","severity":"MEDIUM","publishedAt":"2026-10-27T15:16:31.130Z"},"summary":"New CVE, medium severity (CVSS 5.1)."}],"references":[{"url":"https://cert.pl/en/posts/2026/10/CVE-2026-105987","source":"cvd@cert.pl"},{"url":"https://www.kgs-software.com/en/products/tia-viewer","source":"cvd@cert.pl"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-105987","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}