What is CVE-2025-27420?

CVE-2025-27420 is a medium-severity vulnerability in Labredescefetrj Wegia, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-03-03.

How severe is CVE-2025-27420?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2025-27420 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Labredescefetrj Wegia

CVE-2025-27420

WeGIA is an open source Web Manager for Institutions with a focus on Portuguese language users. A Stored Cross-Site Scripting (XSS) vulnerability was identified in the atendido_parentesco_adicionar.php endpoint of the WeGIA application. This vulnerability allows attackers to inject malicious scripts into the descricao parameter. The injected scripts are stored on the server and executed automatically whenever the affected page is accessed by users, posing a significant security risk. This vulnerability fix in 3.2.16.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (17.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Labredescefetrj Wegia — versions < 3.2.16
Wegia

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2025-27420?: CVE-2025-27420 is a medium-severity vulnerability in Labredescefetrj Wegia, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-03-03.
How severe is CVE-2025-27420?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2025-27420 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.