CVE-2026-65577: CWE-502 Deserialization of Untrusted Data in AncoraThemes Advice
Unauthenticated PHP Object Injection in Advice <= 1.18.0 versions.
AI Analysis
Technical Summary
This vulnerability (CWE-502) involves deserialization of untrusted data in AncoraThemes Advice software, specifically versions up to and including 1.18.0. It permits unauthenticated attackers to perform PHP object injection, potentially leading to remote code execution or other severe impacts. The CVSS 3.1 base score is 9.8, reflecting its critical severity with network attack vector, no privileges required, no user interaction, and high impact on confidentiality, integrity, and availability. No official patch or remediation guidance is currently documented in the vendor advisory or patch links.
Potential Impact
Successful exploitation can result in full system compromise, including unauthorized access, data manipulation, and service disruption. The vulnerability is exploitable remotely without authentication and does not require user interaction, making it highly dangerous.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, consider applying temporary mitigations such as disabling vulnerable functionality or restricting access to the affected application if possible.
CVE-2026-65577: CWE-502 Deserialization of Untrusted Data in AncoraThemes Advice
Description
Unauthenticated PHP Object Injection in Advice <= 1.18.0 versions.
CVSS v3.1
Score 9.8critical
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-502) involves deserialization of untrusted data in AncoraThemes Advice software, specifically versions up to and including 1.18.0. It permits unauthenticated attackers to perform PHP object injection, potentially leading to remote code execution or other severe impacts. The CVSS 3.1 base score is 9.8, reflecting its critical severity with network attack vector, no privileges required, no user interaction, and high impact on confidentiality, integrity, and availability. No official patch or remediation guidance is currently documented in the vendor advisory or patch links.
Potential Impact
Successful exploitation can result in full system compromise, including unauthorized access, data manipulation, and service disruption. The vulnerability is exploitable remotely without authentication and does not require user interaction, making it highly dangerous.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, consider applying temporary mitigations such as disabling vulnerable functionality or restricting access to the affected application if possible.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Patchstack
- Date Reserved
- 2026-07-22T08:54:37.139Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a749d3dbf8831d539dba64b
Added to database: 08/06/2026, 14:42:05 UTC
Last enriched: 08/06/2026, 15:13:46 UTC
Last updated: 08/07/2026, 02:28:05 UTC
Views: 6
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.