---
id: CVE-2026-112859
title: WordPress Little Birdies theme <= 1.3.16 - PHP Object Injection vulnerability
summary: >-
  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.
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-502
vendor: ThemeREX Group
product: little-birdies
affected:
  - little-birdies <= 1.3.16
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-10-24T14:43:05.419038Z'
published: '2026-10-23'
updated: '2026-10-24'
sourceUpdated: '2026-10-24T14:47:00.875Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-112859'
references:
  - url: >-
      https://patchstack.com/database/wordpress/theme/little-birdies/vulnerability/wordpress-little-birdies-theme-1-3-16-php-object-injection-vulnerability?_s_id=cve
tags:
  - cve.org
epss: 0.00564
epssPercentile: 0.46174
ingestedAt: '2026-10-23T13:24:55.505Z'
---

## Overview

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

- `little-birdies <= 1.3.16`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.