CVE-2026-66563
WordPress Windsor theme <= 2.10 - PHP Object Injection vulnerability
ThemeREX Windsor
CVSS
9.8CriticalExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.31%Chance of exploitation activity in the next 30 days, higher than 23% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version yet
What fixes it
No source in this snapshot names a fixed version.
Description
Unauthenticated PHP Object Injection in Windsor <= 2.10 versions.
Text from CVE List
Affected versions 1
- Windsoraffected: n/a through 2.10CVE List