What is CVE-2026-35399?

CVE-2026-35399 is a medium-severity vulnerability in Labredescefetrj Wegia, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-04-06.

How severe is CVE-2026-35399?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Labredescefetrj Wegia

CVE-2026-35399

WeGIA is a Web manager for charitable institutions. Prior to 3.6.9, a stored XSS vulnerability allows an attacker to inject malicious scripts through a backup filename. This could lead to unauthorized execution of malicious code in the victim's browser, compromising session data or executing actions on behalf of the user. This vulnerability is fixed in 3.6.9.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-04-06 · last modified 2026-07-24.

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: 0.003 (21.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 21.8% 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

Labredescefetrj Wegia — versions < 3.6.9
Wegia

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/LabRedesCefetRJ/WeGIA/security/advisories/GHSA-fmwv-62wf-2hgx (Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2026-35399?: CVE-2026-35399 is a medium-severity vulnerability in Labredescefetrj Wegia, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-04-06.
How severe is CVE-2026-35399?: Medium severity. CVSS v3 base score is 6.1 out of 10.