CVE-2026-12954 Mapster WP Maps - Broken Access Control

Mapster WP Maps WordPress plugin <= 1.23.0 contains an arbitrary user meta write vulnerability caused by lack of nonce verification, capability check, and allowlist validation in my_profile_update(), letting authenticated attackers with Subscriber-level access update arbitrary user meta values.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.46% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Data Tampering
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
18 September 2026
Updated
15 October 2026
Weakness
CWE-20

Vendor fix

Update to a version later than 1.23.0 or the latest available version.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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