MEDIUM 5.1 NVD

CVE-2026-105987

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

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. This issue has been fixed in version 1.2.8.

References

https://cert.pl/en/posts/2026/10/CVE-2026-105987
https://www.kgs-software.com/en/products/tia-viewer

Published: 2026-10-27 · Source: NVD · Feed updated: 2026-10-27

This medium severity vulnerability with a CVSS score of 5.1 was published on 2026-10-27 via NVD.

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