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CVE-2021-24552: The Simple Events Calendar WordPress plugin through 1.4.0 does not sanitise, validate or escape the event_id POST parameter before using it in a SQL statement when deleting events, leading to an authe

high Affects simple-events-calendar (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

The Simple Events Calendar WordPress plugin through 1.4.0 does not sanitise, validate or escape the event_id POST parameter before using it in a SQL statement when deleting events, leading to an authe

Package
simple-events-calendar (WordPress plugin) WordPress
Affected versions
<=1.4.0
Fixed in
no fix recorded
Severity
high  CVSS 7.2
Exploitation
not on CISA KEV · EPSS 2% (75.4th percentile)
Published
2021-08-23
Source
nvd

References

CWE-89
NVD recordsimple-events-calendar (WordPress plugin) advisories

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