CVE-2026-27506

CVE-2026-27506 is a medium-severity vulnerability in Radioinorr Svxportal with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

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.

Frequently asked questions

What is CVE-2026-27506?
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.
How severe is CVE-2026-27506?
CVE-2026-27506 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-27506 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-27506?
CVE-2026-27506 affects Radioinorr Svxportal. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-27506?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-27506 have an EU (EUVD) identifier?
Yes. CVE-2026-27506 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8328.
When was CVE-2026-27506 published?
CVE-2026-27506 was published on 2026-02-20 and last updated on 2026-06-17.

References

Affected products (1)

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