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CVE-2024-8016

Theeventscalendar Events Calendar Pro insecure deserialization

9.1 CRITICALEPSS 0.74%
  1. Published30 Aug 2024

Description

The Events Calendar Pro plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 7.0.2 via deserialization of untrusted input from the 'filters' parameter in widgets. This makes it possible for authenticated attackers, with administrator-level access and above, to inject a PHP Object. The additional presence of a POP chain allows attackers to execute code remotely. In certain configurations, this can be exploitable by lower level users. We confirmed that this plugin installed with Elementor makes it possible for users with contributor-level access and above to exploit this issue.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredHigh
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Affected products

Theeventscalendar Events Calendar Pro< 7.0.2.1

Remediation

Fixed in
Theeventscalendar Events Calendar Pro≥ 7.0.2.1

Frequently asked

Is CVE-2024-8016 being actively exploited?

CVE-2024-8016 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.74%.

How severe is CVE-2024-8016?

CVE-2024-8016 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 0.74% probability of exploitation.

Which products are affected by CVE-2024-8016?

Affected products include Theeventscalendar Events Calendar Pro.

How do I fix CVE-2024-8016?

Upgrade affected software to a fixed version, for example Theeventscalendar Events Calendar Pro 7.0.2.1 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-8016 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.