CVE-2025-5936: VR Calendar <= 2.4.7 - Cross-Site Request Forgery to Calendar Sync

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-06-27 · updated 2026-06-17
Weakness: CWE-352

Description

The VR Calendar plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.4.7. This is due to missing or incorrect nonce validation on the syncCalendar() function. This makes it possible for unauthenticated attackers to trigger a calendar sync via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Affected products

innate-images-llc VR Calendar: through 2.4.7

References

https://plugins.trac.wordpress.org/browser/vr-calendar-sync/trunk/Admin/Classes/VRCalendarAdmin.class.php#L98
https://www.wordfence.com/threat-intel/vulnerabilities/id/57dbafe8-dcb3-4ac9-ad5e-76baf1963850?source=cve

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