How severe is CVE-2026-3043?

CVE-2026-3043 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2026-3043 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-2026-3043?

CVE-2026-3043 affects Admerc Event Management System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-3043?

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

Does CVE-2026-3043 have an EU (EUVD) identifier?

Yes. CVE-2026-3043 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7468.

When was CVE-2026-3043 published?

CVE-2026-3043 was published on 2026-02-24 and last updated on 2026-06-17.

CVE-2026-3043

CVE-2026-3043 is a medium-severity vulnerability in Admerc Event Management System with a CVSS 3.x base score of 4.3. 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 4.3)
CVSS v2: 5.0
CVSS v4: 2.1
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-7468
Weakness: CWE-79
Affected product: Admerc Event Management System
Published: 2026-02-24
Last modified: 2026-06-17

Description

A flaw has been found in itsourcecode Event Management System 1.0. The impacted element is an unknown function of the file /admin/navbar.php. Executing a manipulation of the argument page can lead to cross site scripting. The attack may be performed from remote. The exploit has been published and may be used.

Frequently asked questions

What is CVE-2026-3043?: A flaw has been found in itsourcecode Event Management System 1.0. The impacted element is an unknown function of the file /admin/navbar.php. Executing a manipulation of the argument page can lead to cross site scripting. The attack may be performed from remote. The exploit has been published and may be used.
How severe is CVE-2026-3043?: CVE-2026-3043 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2026-3043 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-2026-3043?: CVE-2026-3043 affects Admerc Event Management System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-3043?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-3043 have an EU (EUVD) identifier?: Yes. CVE-2026-3043 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7468.
When was CVE-2026-3043 published?: CVE-2026-3043 was published on 2026-02-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:admerc:event_management_system:1.0:*:*:*:*:*:*:*

More vulnerabilities in Admerc Event Management System

CVE-2026-3042 — High (CVSS 7.3): A vulnerability was detected in itsourcecode Event Management System 1.0. The affected element is an unknown function…
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