What’s Vulnerable › Vulnerabilities

CVE-2026-27506: SVXportal <= 2.5 Profile Update Stored XSS

• Severity: medium (CVSS 5.4 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 stored cross-site scripting vulnerability in the user profile update workflow (user_settings.php submitting to admin/update_user.php). Authenticated users can store malicious HTML/JavaScript in fields such as Firstname, lastname, email, and image_url, which are later rendered without adequate output encoding in the administrator interface (admin/users.php), resulting in JavaScript execution in an administrator's browser when the affected page is viewed.

Affected products

• sa2blv SVXportal: through 2.5

References

• https://github.com/sa2blv/SVXportal/blob/master/admin/update_user.php
• https://www.vulncheck.com/advisories/svxportal-admin-update-user-php-stored-xss

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