CVE-2026-12621

5.3 medium SSVC exploitation: none Analyzed

Improper neutralization of input during web page generation XSS vulnerability in the GridTime 3000 (password reset form) allows XSS. This issue affects GridTime 3000: from 1.0r0.03 before 1.2r0.0.

Fix

Patch, vendor advisory and mitigation references on NVD 1

https://www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/gridtime-3000-gnss-time-server-dom-xss Vendor Advisory

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

2026-10-25 23:14First seenCVSS 5.3 · microchipNVD modified 2026-10-25 23:10

Affected (CPE criteria) 1

cpe:2.3:o:microchip:gridtime_3000_firmware:*:*:*:*:*:*:*:*

References 1

https://www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/gridtime-3000-gnss-time-server-dom-xss Vendor Advisory