TI-2026-70433 Aliases CVE-2026-66567 GHSA-xm2p-xf7g-7qxp

Unauthenticated PHP object injection in WordPress Anesta theme

MEDIUM 49CWE-502Published 2026-10-10 · Updated 2026-10-11

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 Anesta theme for WordPress by AncoraThemes is affected up to and including 1.5.3. The flaw is deserialization of untrusted data (CWE-502), which allows PHP object injection. An unauthenticated remote attacker can exploit it to fully compromise confidentiality, integrity and availability.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

Unauthenticated PHP Object Injection in Anesta <= 1.5.3 versions.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00322 25th 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
AncoraThemes	Anesta	up to 1.5.3	—	No fix listed	CNA

Anesta VendorAncoraThemes Affected up to 1.5.3 Fixed in — No fix listed CNA

Remediation

No fixed version is listed for Anesta.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

2026-10-11 Threatist record created from CVE-2026-66567
2026-10-11 Alias added: GHSA-xm2p-xf7g-7qxp

References

Other 1

https://patchstack.com/database/wordpress/theme/anesta/vulnerability/wordpress-anesta-theme-1-5-3-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