CVE-2026-27503: SVXportal <= 2.5 admin/log.php Search Reflected XSS

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-02-20 · updated 2026-07-14
Weakness: CWE-79

Description

SVXportal version 2.5 and prior contain a reflected cross-site scripting vulnerability in admin/log.php via the search query parameter. When an authenticated administrator views a crafted URL, the application embeds the unsanitized parameter value directly into an HTML input value attribute, allowing attacker-supplied JavaScript to execute in the administrator's browser. This can enable session theft, administrative action forgery, or other browser-based compromise in the context of an admin user.

Affected products

sa2blv SVXportal: through 2.5

References

https://github.com/sa2blv/SVXportal/blob/master/admin/log.php
https://www.vulncheck.com/advisories/svxportal-admin-log-php-search-reflected-xss

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