CVE-2026-97257

Deserialization of Untrusted Data vulnerability in PressTigers Simple Event Planner…

Risk score: 58/100
CVSS: 8.8 v3.1
Exploit chance (30 days): 0.4%
Published: 5 Oct 2026

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What to know

What it is: Deserialization of Untrusted Data vulnerability in PressTigers Simple Event Planner simple-event-planner allows Object Injection.This issue affects Simple Event Planner: from n/a through 1.5.7.
Affected: See advisory
Fix: Apply the vendor's security update; see the linked advisory.
Exploitation: No known exploitation

Why it is Yellow

CVSS 8.8 high

References

https://patchstack.com/database/wordpress/plugin/simple-event-planner/vulnerability/wordpress-simple-event-planner-plugin-1-5-7-php-object-injection-vulnerability?_s_id=cve

Original description

Deserialization of Untrusted Data vulnerability in PressTigers Simple Event Planner simple-event-planner allows Object Injection.This issue affects Simple Event Planner: from n/a through 1.5.7.

Last activity 5 Oct 2026. Patch Forecast updates every hour.