All vulnerabilities
CVE-2026-97257

WordPress Simple Event Planner plugin <= 1.5.7 - PHP Object Injection vulnerability

PressTigers Simple Event Planner
CVSS
8.8High
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.36%Chance of exploitation activity in the next 30 days, higher than 27% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version yet
Published5 Oct 2026Updated 6 Oct 2026CVE List

What fixes it

No source in this snapshot names a fixed version.

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.

Text from CVE List

Affected versions 1

  • Simple Event Planneraffected: all versions through 1.5.7CVE List

References 1