CVE-2025-27420

Name: CVE-2025-27420
Creator: NVD / NIST
Published: 2025-03-03T16:15:44.223+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.4/10EPSS 0.26%

Last modified Jun 17, 2026

CVE-2025-27420 is a medium-severity vulnerability rated 6.4/10 on the CVSS scale. 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. EPSS estimates a 0.26% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS 4.0

6.4/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.26%

16.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Wegia	Wegia	< 3.2.16

References

https://github.com/LabRedesCefetRJ/WeGIA/commit/add78bb177cbb29477ff2121b533651a9d673918Patch
https://github.com/LabRedesCefetRJ/WeGIA/security/advisories/GHSA-x3wr-75qx-55cwExploit, Vendor Advisory
https://github.com/LabRedesCefetRJ/WeGIA/security/advisories/GHSA-x3wr-75qx-55cwExploit, Vendor Advisory

Timeline

Published: Mar 3, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-27420?

How severe is CVE-2025-27420?

CVE-2025-27420 has a CVSS score of 6.4/10 (MEDIUM severity). The EPSS model estimates a 0.26% probability of exploitation in the next 30 days.

How do I fix CVE-2025-27420?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-27420?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST