Simple Event Planner vulnerabilities
Plugin slug simple-event-planner · 3 known vulnerabilities · latest disclosed 2026-10-03 · WordPress.org page
Every listed vulnerability has a fix. Version 1.5.8 or later is not affected by any of them. If your site runs an older version, update it.
1 of 3 rated high or critical (CVSS 7 or more).
Known vulnerabilities in Simple Event Planner
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| High 7.5 | <= 1.5.7 | 1.5.8 | CVE-2026-97257 | 2026-10-03 | Advisory |
| Medium 5.4 | <= 1.5.4 | 1.5.5 | CVE-2022-25611 | 2022-03-23 | Advisory |
| Medium 4.1 | <= 1.5.4 | 1.5.5 | CVE-2022-25612 | 2022-03-23 | Advisory |
Check if a site is affected
Enter a site address to see which version of Simple Event Planner and other plugins it runs, and whether they match a known vulnerability.
Questions
Is the Simple Event Planner plugin safe to use?
All 3 known issues are fixed in current versions (1.5.8 or later). Keeping it updated is what matters.
How do I check which version of Simple Event Planner my site runs?
In WordPress go to Plugins > Installed Plugins. From the outside, the free PluginPeek scan below reads the version from the site's public files.
How do I fix a vulnerable plugin?
Make a full backup, then update it from Dashboard > Updates and check the site afterwards. If you would rather not, we can do it for a fixed $99, paid after you have checked the site.