CVE-2026-105987

Vulnerability 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. This issue has been fixed in version 1.2.8.

Related Weaknesses (CWE)

References

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

FAQ

What is CVE-2026-105987?

CVE-2026-105987 is a documented vulnerability. 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 ann...

How severe is CVE-2026-105987?

CVSS scoring is not yet available for CVE-2026-105987. Check NVD for updates.

Is there a patch for CVE-2026-105987?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.