Vulnerability · Published Apr 6, 2026 · Assigned by GitHub_M

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

High 8.5

In plain English

A high-severity cross-site scripting in WeGIA from LabRedesCefetRJ. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 22% of all known vulnerabilities).

Severity (CVSS 4.0)8.5High

Exploit odds (30 days)0.3%top 78.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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 (as reported)

Vendor	Product	Versions
LabRedesCefetRJ	WeGIA	< 3.6.9

Weakness: CWE-79 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

References

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