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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (27.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 27.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.002
Affected products
- Radioinorr Svxportal
- Sa2blv Svxportal — versions 0
Weakness classification (CWE)
References
- github.com/sa2blv/SVXportal/blob/master/log.php (Product, product)
- www.vulncheck.com/advisories/svxportal-log-php-search-reflected-xss (Third Party Advisory, third-party-advisory)
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.