CVE-2026-112859— WordPress Little Birdies theme <= 1.3.16 - PHP Object Injection vulnerability
Quick assessment
Affected
ThemeREX Group Little Birdies
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
ThemeREX Group 开发的 Little Birdies 插件存在不可信数据反序列化漏洞，该漏洞可导致对象注入攻击。此问题影响 Little Birdies 插件版本：从未知版本至 1.3.16 版本（含）。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| ThemeREX Group | Little Birdies | ≤ 1.3.16 |
affected |
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I. Basic Information for CVE-2026-112859
Vulnerability Information
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Vulnerability Title
WordPress Little Birdies theme <= 1.3.16 - PHP Object Injection vulnerability
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| ThemeREX Group | Little Birdies | 0 ~ 1.3.16 | - |
|
II. Public POCs for CVE-2026-112859
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Security Blog Posts for CVE-2026-112859 (1)
Same Patch Batch · ThemeREX Group · 2026-10-23 · 5 CVEs total
| CVE-2026-112856 | 9.8 CRITICAL | WordPress Vagabonds theme <= 1.3.10 - PHP Object Injection vulnerability |
| CVE-2026-112851 | 9.8 CRITICAL | WordPress HotLock theme <= 1.3.9 - PHP Object Injection vulnerability |
| CVE-2026-112846 | 9.8 CRITICAL | WordPress Save Life theme <= 1.2.14 - PHP Object Injection vulnerability |
| CVE-2026-112852 | 8.1 HIGH | WordPress Helion theme <= 1.1.12 - PHP Object Injection vulnerability |
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V. Comments for CVE-2026-112859
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