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CVE-2023-3277

Inspireui Mstore API authentication bypass

9.8 CRITICALEPSS 2.89%
  1. Published3 Nov 2023

Description

The MStore API plugin for WordPress is vulnerable to Unauthorized Account Access and Privilege Escalation in versions up to, and including, 4.10.7 due to improper implementation of the Apple login feature. This allows unauthenticated attackers to log in as any user as long as they know the user's email address.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Inspireui Mstore API≤ 4.10.7

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-2023-3277 being actively exploited?

CVE-2023-3277 is not in the CISA KEV catalog. Its EPSS exploit probability is 2.89%.

How severe is CVE-2023-3277?

CVE-2023-3277 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 2.89% probability of exploitation.

Which products are affected by CVE-2023-3277?

Affected products include Inspireui Mstore API.

How do I fix CVE-2023-3277?

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-2023-3277 against the real software inventory on every managed device, as each hourly inventory arrives. 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.