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CVE-2026-57640

WordPress MasterStudy LMS plugin <= 3.7.30 - Broken Access Control vulnerability

Medium4.3EPSS 0.25%
Published
Updated
Reserved
Assigned by
Patchstack

Description

Subscriber Broken Access Control in MasterStudy LMS <= 3.7.30 versions.

Scores

CVSS scores of CVE-2026-57640, by who scored it
Scored byCVSSScoreVector
PatchstackCNA (assigner)3.1Medium4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
NVDNVD · Deferred3.1Medium4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
EPSS (exploitation in 30 days)
0.25% · top 83% of all CVEs (6 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.

Weakness

Affected products

What to do

Solution: Update the WordPress MasterStudy LMS Plugin to the latest available version (at least 3.7.31).

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2026-57640 badge
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Record last updated .