XSS in Radioinorr Svxportal

CVE-2026-27502

SVXportal version 2.5 and prior contain a reflected cross-site scripting vulnerability in log.php via the search query parameter. The application embeds the unsanitized parameter value directly into an HTML input value attribute, allowing an unauthenticated remote attacker to inject and execute arbitrary JavaScript in a victim's browser if the victim visits a crafted URL. This can be used to steal session data, perform actions as the victim, or modify displayed content.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (10.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-27502?
CVE-2026-27502 is a medium-severity vulnerability in Radioinorr Svxportal, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-02-20.
How severe is CVE-2026-27502?
Medium severity. CVSS v3 base score is 6.1 out of 10.