CVE-2026-65577: CWE-502 Deserialization of Untrusted Data in AncoraThemes Advice
CVE-2026-65577 is a critical vulnerability in AncoraThemes Advice versions up to and including 1.18.0. It involves unauthenticated PHP Object Injection due to deserialization of untrusted data, classified under CWE-502. The vulnerability allows remote attackers to execute arbitrary code without any authentication.
AI Analysis
Technical Summary
This vulnerability in AncoraThemes Advice (<=1.18.0) is caused by unsafe deserialization of untrusted data, leading to unauthenticated PHP Object Injection. The flaw allows an attacker to send crafted input to the application, potentially resulting in remote code execution. The CVSS 3.1 base score is 9.8, reflecting high attack vector (network), no required privileges or user interaction, and full confidentiality, integrity, and availability impact.
Potential Impact
Successful exploitation can lead to complete compromise of the affected system, including remote code execution, data disclosure, and service disruption. Since no authentication is required, the attack surface is broad, increasing risk significantly.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are currently available. Until a patch is released, restrict access to the affected application and monitor for suspicious activity related to PHP object injection attempts.
CVE-2026-65577: CWE-502 Deserialization of Untrusted Data in AncoraThemes Advice
Description
CVE-2026-65577 is a critical vulnerability in AncoraThemes Advice versions up to and including 1.18.0. It involves unauthenticated PHP Object Injection due to deserialization of untrusted data, classified under CWE-502. The vulnerability allows remote attackers to execute arbitrary code without any authentication.
CVSS v3.1
Score 9.8critical
Affected software
AncoraThemes
Advice
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in AncoraThemes Advice (<=1.18.0) is caused by unsafe deserialization of untrusted data, leading to unauthenticated PHP Object Injection. The flaw allows an attacker to send crafted input to the application, potentially resulting in remote code execution. The CVSS 3.1 base score is 9.8, reflecting high attack vector (network), no required privileges or user interaction, and full confidentiality, integrity, and availability impact.
Potential Impact
Successful exploitation can lead to complete compromise of the affected system, including remote code execution, data disclosure, and service disruption. Since no authentication is required, the attack surface is broad, increasing risk significantly.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are currently available. Until a patch is released, restrict access to the affected application and monitor for suspicious activity related to PHP object injection attempts.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Patchstack
- Date Reserved
- 2026-07-22T08:54:37.139Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a749d3dbf8831d539dba64b
Added to database: 08/06/2026, 14:42:05 UTC
Last enriched: 08/13/2026, 17:10:56 UTC
Last updated: 09/21/2026, 22:01:36 UTC
Views: 33
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