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CVE-2025-15458

1234n Minicms authentication bypass

7.3 HIGHPublic exploitEPSS 0.57%
  1. Published5 Jan 2026

Description

A vulnerability was determined in bg5sbk MiniCMS up to 1.8. This affects an unknown function of the file /mc-admin/post-edit.php of the component Article Handler. Executing a manipulation can lead to improper authentication. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityLow
IntegrityLow
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Affected products

1234n Minicms≤ 1.8

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2025-15458 being actively exploited?

CVE-2025-15458 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.57%.

How severe is CVE-2025-15458?

CVE-2025-15458 has a CVSS 3.1 base score of 7.3, rated high. EPSS estimates a 0.57% probability of exploitation.

Which products are affected by CVE-2025-15458?

Affected products include 1234n Minicms.

How do I fix CVE-2025-15458?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-15458 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.