Vulnerability · Published Jun 25, 2026 · Assigned by Patchstack
CVE-2026-56053WordPress EventPrime plugin <= 4.3.4.1 - PHP Object Injection vulnerability
High 8.8
In plain English
A high-severity unsafe deserialization in EventPrime from EventPrime. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.5%top 55.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Subscriber PHP Object Injection in EventPrime <= 4.3.4.1 versions.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| EventPrime | EventPrime | n/a – through 4.3.4.1 |
Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H