The Event post plugin for WordPress is vulnerable to unauthorized bulk metadata update due to a missing capability check on the save_bulkdatas function in all versions up to, and including, 5.9.4. This makes it possible for authenticated attackers, with subscriber access or higher, to update post_meta_data.
Severity
CVSS 3.1
4.3 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
EPSS
0.3% chance of exploitation in the next 30 days; higher than 20% of CVEs (scores of 2026-10-31)