How severe is CVE-2026-35399?

CVE-2026-35399 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-35399 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-35399?

CVE-2026-35399 affects Wegia. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-35399?

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

Does CVE-2026-35399 have an EU (EUVD) identifier?

Yes. CVE-2026-35399 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19500.

When was CVE-2026-35399 published?

CVE-2026-35399 was published on 2026-04-06 and last updated on 2026-06-17.

CVE-2026-35399

CVE-2026-35399 is a medium-severity vulnerability in Wegia with a CVSS 3.x base score of 6.1. 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 6.1)
CVSS v4: 8.5
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-19500
Weakness: CWE-79
Affected product: Wegia
Published: 2026-04-06
Last modified: 2026-06-17

Description

WeGIA is a Web manager for charitable institutions. Prior to 3.6.9, a stored XSS vulnerability allows an attacker to inject malicious scripts through a backup filename. This could lead to unauthorized execution of malicious code in the victim's browser, compromising session data or executing actions on behalf of the user. This vulnerability is fixed in 3.6.9.

Frequently asked questions

What is CVE-2026-35399?: WeGIA is a Web manager for charitable institutions. Prior to 3.6.9, a stored XSS vulnerability allows an attacker to inject malicious scripts through a backup filename. This could lead to unauthorized execution of malicious code in the victim's browser, compromising session data or executing actions on behalf of the user. This vulnerability is fixed in 3.6.9.
How severe is CVE-2026-35399?: CVE-2026-35399 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-35399 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-35399?: CVE-2026-35399 affects Wegia. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-35399?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-35399 have an EU (EUVD) identifier?: Yes. CVE-2026-35399 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19500.
When was CVE-2026-35399 published?: CVE-2026-35399 was published on 2026-04-06 and last updated on 2026-06-17.

References

https://github.com/LabRedesCefetRJ/WeGIA/security/advisories/GHSA-fmwv-62wf-2hgx

Affected products (1)

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

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