Vulnerability · Published Jun 15, 2026 · Assigned by Patchstack
CVE-2026-39471WordPress ShortPixel Image Optimizer plugin <= 6.4.3 - PHP Object Injection vulnerability
High 7.2
In plain English
A high-severity unsafe deserialization in ShortPixel Image Optimizer from ShortPixel. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities).
Severity (CVSS 3.1)7.2High
Exploit odds (30 days)0.4%top 61.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Author PHP Object Injection in ShortPixel Image Optimizer <= 6.4.3 versions.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| ShortPixel | ShortPixel Image Optimizer | n/a – through 6.4.3 |
Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H