CVE-2026-27502 SVXportal <= 2.5 log.php Search Reflected XSS
An unauthenticated attacker can execute arbitrary JavaScript in a victim's browser via a crafted URL in SVXportal, potentially stealing session data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-27502?
CVE-2026-27502 is a medium-severity cross-site scripting vulnerability in sa2blv SVXportal, published on 20 Feb 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-79
Which versions are affected by CVE-2026-27502?
It affects 1 product.
Products include Radioinorr Svxportal.
How do I fix CVE-2026-27502?
No fix has been published for CVE-2026-27502 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-27502 being exploited?
There is no known exploitation of CVE-2026-27502 in the wild and no public exploit code.
Other vulnerabilities in sa2blv SVXportal
Sources
Also known as GHSA-pg4q-7rh5-52c9.