WordPress Masterstudy Theme < 4.8.122 is vulnerable to a high priority Broken Access Control
High priority Mitigate immediately
< 4.8.122Vulnerable version(s)
4.8.122Fixed version
12 Oct, 2025
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Get startedRisks
CVSS 7.5This vulnerability is highly dangerous and expected to become exploited.
7.5
Broken Access Control
A broken access control issue refers to a missing authorization, authentication or nonce token check in a function that could lead to an unprivileged user to executing a certain higher privileged action.
CVSS score is a way to evaluate and rank reported vulnerabilities in a standardized and repeatable way but which is not ideal for WordPress.
Solutions
We advise to mitigate or resolve the vulnerability immediately.
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Patchstack has issued a mitigation rule to block any attacks until you have updated to a fixed version.
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Get startedUpdate to version 4.8.122 or later.
Update to version 4.8.122 or later to remove the vulnerability.
Details
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Timeline
25 Nov, 2025