WordPress smart SEO Theme <= 4.0 is vulnerable to a high priority Privilege Escalation
High priority Mitigate immediately
<= 4.0Vulnerable version(s)
No official fix availableFixed version
29 Jul, 2025
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CVSS 9.8This vulnerability is highly dangerous and expected to become exploited.
9.8
Privilege Escalation
This could allow a malicious actor to escalate their low privileged account to something with higher privileges. After this they could take full control of the website if high privileges are gained.
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 an official fix becomes available, can be tested and be safely applied.
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Timeline
24 Sep, 2025