XSS in Qloapps
CVE-2026-25558
QloApps through 1.7.0 contains a stored cross-site scripting vulnerability in the admin file manager that allows authenticated administrators to inject malicious JavaScript by uploading crafted SVG files. Attackers can embed JavaScript event handlers such as onload within SVG files uploaded through the file manager to execute arbitrary scripts in the browser of any user who subsequently views the file.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (21.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 21.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Qloapps — versions 0
Weakness classification (CWE)
References
- github.com/Qloapps/QloApps/issues/1728 (issue-tracking, technical-description, exploit)
- www.vulncheck.com/advisories/qloapps-stored-xss-via-svg-file-upload-in-admin-fi… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-25558?
- CVE-2026-25558 is a medium-severity vulnerability in Qloapps, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2026-06-08.
- How severe is CVE-2026-25558?
- Medium severity. CVSS v3 base score is 4.8 out of 10.