WordPress Event Espresso 4 Decaf Plugin <= 5.0.37.decaf is vulnerable to a medium priority Settings Change

Medium priority Mitigate with Patchstack
<= 5.0.37.decafVulnerable version(s)
5.0.53.decafPatched version
15 Jan, 2026 by Patchstack

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Risks

CVSS 6.5

This vulnerability is moderately dangerous and expected to become exploited. Vulnerabilities like this one are used in mass-exploit campaigns. Attackers use these to attack thousands of websites at a time, regardless of traffic size or popularity. Learn more.

As immediate action, update the affected plugin. If you're unable to do so, ask your hosting provider or web developer for help.

6.5

Settings Change

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.

Automatically mitigate vulnerabilities and keep your websites safe.

Patchstack has issued a mitigation rule to block any attacks until you have updated to a patched version.

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Update to version 5.0.53.decaf or later.

Update to version 5.0.53.decaf or later to resolve the vulnerability. Patchstack users can turn on auto-update for vulnerable plugins only.

Details

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Timeline

Reported byProfile ImageLegion Hunter

22 Oct, 2025

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