TI-2026-79745 Aliases CVE-2026-112859 GHSA-8xhm-xwwm-cmm8

Object injection in ThemeREX Little Birdies WordPress theme

MEDIUM 49CWE-502Published 2026-10-23 · Updated 2026-10-24

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-502.

Summary

The ThemeREX Group Little Birdies WordPress theme through 1.3.16 deserializes untrusted data, classified as CWE-502, which allows PHP object injection. An unauthenticated remote attacker can exploit this over the network without user interaction, with high impact to confidentiality, integrity and availability.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00313 24th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
ThemeREX Group	Little Birdies	up to 1.3.16	—	No fix listed	CNA

Little Birdies VendorThemeREX Group Affected up to 1.3.16 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Little Birdies.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Timeline

2026-10-23 Threatist record created from CVE-2026-112859
2026-10-23 Alias added: GHSA-8xhm-xwwm-cmm8
2026-10-24 CISA SSVC decision points changed

References

Other 1

https://patchstack.com/database/wordpress/theme/little-birdies/vulnerability/wordpress-little-birdies-theme-1-3-16-php-object-injection-vulnerability?_s_id=cve

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Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences