CVE-2026-91051
The EWWW Image Optimizer WordPress plugin before 8.8.0 does not prevent authenticated users with…
- Risk score
- 45/100
- CVSS
- 6.6 v3.1
- Exploit chance (30 days)
- 0.4%
- Published
- 30 Sep 2026
Open in the live forecast Today's forecast
What to know
- What it is
- The EWWW Image Optimizer WordPress plugin before 8.8.0 does not prevent authenticated users with author-level permissions from storing a serialized value in a post meta field that is deserialized when the post is rendered, allowing them to perform PHP Object Injection, which can lead to remote code execution when a su…
- Affected
- See advisory
- Fix
- Upgrade the product to 8.8.0 or later.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 6.6 medium
References
Original description
The EWWW Image Optimizer WordPress plugin before 8.8.0 does not prevent authenticated users with author-level permissions from storing a serialized value in a post meta field that is deserialized when the post is rendered, allowing them to perform PHP Object Injection, which can lead to remote code execution when a suitable gadget chain is present via another installed EWWW Image Optimizer WordPress plugin before 8.8.0 or .
Last activity 30 Sep 2026. Patch Forecast updates every hour.