Vulnerability · Published Oct 23, 2026 · Assigned by Patchstack

CVE-2026-112859WordPress Little Birdies theme <= 1.3.16 - PHP Object Injection vulnerability

Critical 9.8

In plain English

A critical-severity unsafe deserialization in Little Birdies from ThemeREX Group. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 24% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.3%top 75.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Deserialization of Untrusted Data vulnerability in ThemeREX Group Little Birdies little-birdies allows Object Injection.This issue affects Little Birdies: from n/a through 1.3.16.

Affected products (as reported)

VendorProductVersions
ThemeREX Group Little Birdies 0 – through 1.3.16

Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References