Vulnerability · Published Oct 29, 2026 · Assigned by Patchstack
CVE-2026-54856WordPress RexCoin theme <= 1.2.6 - PHP Object Injection vulnerability
Critical 9.8
In plain English
A critical-severity unsafe deserialization in RexCoin from ThemeREX. 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 42% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.5%top 57.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Unauthenticated PHP Object Injection in RexCoin <= 1.2.6 versions.
Affected products (as reported)
Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H