How severe is CVE-2025-27420?

CVE-2025-27420 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-27420 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-27420?

CVE-2025-27420 affects Wegia. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-27420?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-27420 have an EU (EUVD) identifier?

Yes. CVE-2025-27420 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-6014.

When was CVE-2025-27420 published?

CVE-2025-27420 was published on 2025-03-03 and last updated on 2026-06-17.

CVE-2025-27420

CVE-2025-27420 is a medium-severity vulnerability in Wegia with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v4: 6.4
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-6014
Weakness: CWE-79
Affected product: Wegia
Published: 2025-03-03
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-27420?: CVE-2025-27420 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-27420 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-27420?: CVE-2025-27420 affects Wegia. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-27420?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-27420 have an EU (EUVD) identifier?: Yes. CVE-2025-27420 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-6014.
When was CVE-2025-27420 published?: CVE-2025-27420 was published on 2025-03-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wegia:wegia:*:*:*:*:*:*:*:*

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