WeGIA: Stored XSS in html/atendido/processo_aceitacao.php

published 2026-05-11 5 mo ago modified 2026-10-26 13 d ago also EUVD-2026-29195

cvss: 6.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 21%
public exploits: 0; none known

WeGIA is a web manager for charitable institutions. In versions prior to 3.7.3, a Stored Cross-Site Scripting (XSS) vulnerability allows an authenticated user to inject malicious JavaScript into the Processo de Aceitação (html/atendido/processo_aceitacao.php) page, which is executed when user access the the page, enabling session hijacking and account takeover. This vulnerability is fixed in 3.7.3.

Patch / fix

fixed in 1

wegia wegia 3.7.3

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 5 mo ago (2026-05-12)

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/LabRedesCefetRJ/WeGIA/security/advisories/GHSA-r578-8vgj-vph7 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.8	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

Affected products

LabRedesCefetRJ WeGIA

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

github.com /LabRedesCefetRJ/WeGIA/security/advisories/GHSA-r578-8vgj-vph7
exploit

Sources

CVE List CVE-2026-45026
NVD CVE-2026-45026

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.

Summary