What is CVE-2026-33136?

CVE-2026-33136 is a critical-severity vulnerability in Labredescefetrj Wegia, classified under Cross-site Scripting. CVSS score: 9.3/10. Published 2026-03-20.

How severe is CVE-2026-33136?

Critical severity. CVSS v3 base score is 9.3 out of 10.

XSS in Labredescefetrj Wegia

CVE-2026-33136

WeGIA is a web manager for charitable institutions. Versions 3.6.6 and below have a Reflected Cross-Site Scripting (XSS) vulnerability in the listar_memorandos_ativos.php endpoint. An attacker can inject arbitrary JavaScript or HTML tags i…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.001 (17.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N.

Affected products

Labredescefetrj Wegia — versions < 3.6.7

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

https://github.com/LabRedesCefetRJ/WeGIA/security/advisories/GHSA-xjqp-5q3h-2cxh (x_refsource_CONFIRM)
https://github.com/LabRedesCefetRJ/WeGIA/releases/tag/3.6.7 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-33136?: CVE-2026-33136 is a critical-severity vulnerability in Labredescefetrj Wegia, classified under Cross-site Scripting. CVSS score: 9.3/10. Published 2026-03-20.
How severe is CVE-2026-33136?: Critical severity. CVSS v3 base score is 9.3 out of 10.