WordPress WooCommerce Product Multi-Action Plugin <= 1.3 is vulnerable to a high priority Deserialization of untrusted data
High priority Mitigate immediately
<= 1.3Vulnerable version(s)
No official fix availableFixed version
1 Jul, 2025
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CVSS 9.8This vulnerability is highly dangerous and expected to become exploited.
9.8
Deserialization of untrusted data
This can be used to exploit logic in websites, cause a denial of service, or execute arbitrary code. A malicious actor could potentially execute commands to gain access to the admin panel.
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
1 Jul, 2025