CVE-2025-22373: XSS, HTML and Style injection on login page

Severity: high (CVSS 8.7 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-04-14 · updated 2026-06-17
Weakness: CWE-79

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in SicommNet BASEC on SaaS allows Reflected XSS, XSS Through HTTP Query Strings, Rendering of Arbitrary HTML and alternation of CSS Styles This issue affects BASEC: from 14 Dec 2021.

Affected products

SicommNet BASEC: from 14 Dec 2021

References

https://basec.sicomm.net/login/
https://csirt.divd.nl/CVE-2025-22373
https://csirt.divd.nl/DIVD-2025-00001

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