CVE-2026-42870

CVE-2026-42870 is a medium-severity vulnerability with a CVSS 4.0 base score of 6.4. 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

Description

WeGIA is a web manager for charitable institutions. In versions prior to 3.7.0, a Stored Cross-Site Scripting (XSS) flaw was identified at the following endpoint: funcionario/profile_funcionario.php?id_funcionario=2. By injecting a malicious payload into the 'Description' (Descrição) field and saving the profile, the script becomes persistently stored. The payload is subsequently executed whenever the profile page is accessed. This vulnerability is fixed in 3.7.0.

Frequently asked questions

What is CVE-2026-42870?
WeGIA is a web manager for charitable institutions. In versions prior to 3.7.0, a Stored Cross-Site Scripting (XSS) flaw was identified at the following endpoint: funcionario/profile_funcionario.php?id_funcionario=2. By injecting a malicious payload into the 'Description' (Descrição) field and saving the profile, the script becomes persistently stored. The payload is subsequently executed whenever the profile page is accessed. This vulnerability is fixed in 3.7.0.
How severe is CVE-2026-42870?
CVE-2026-42870 has a CVSS 4.0 base score of 6.4, rated medium severity.
Is CVE-2026-42870 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-42870?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-42870 have an EU (EUVD) identifier?
Yes. CVE-2026-42870 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29185.
When was CVE-2026-42870 published?
CVE-2026-42870 was published on 2026-05-11 and last updated on 2026-06-17.

References

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