CVE-2026-35399: WeGIA has Stored XSS in backup file names

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-04-06 · updated 2026-07-24
Weakness: CWE-79

Description

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.

Affected products

LabRedesCefetRJ WeGIA: before 3.6.9 — fixed in 3.6.9

How to fix

Upgrade to a fixed version: LabRedesCefetRJ WeGIA 3.6.9. Check the vendor advisory for mitigations.

References

https://github.com/LabRedesCefetRJ/WeGIA/security/advisories/GHSA-fmwv-62wf-2hgx
https://github.com/LabRedesCefetRJ/WeGIA/security/advisories/GHSA-fmwv-62wf-2hgx

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