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CVE-2026-22451 — AI Deep Analysis Summary

CVSS 9.8 · Critical

Q1What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: Untrusted data deserialization in Handyman plugin leads to **PHP Object Injection**.…

Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: **CWE-502** (Deserialization of Untrusted Data). The flaw lies in the plugin's handling of user-controlled input without proper validation before object instantiation.

Q3Who is affected? (Versions/Components)

🏢 **Affected**: **AncoraThemes** product **Handyman** (WordPress Theme/Plugin). Specifically versions **1.4 and earlier**. 📦 Includes core WordPress platform context.

Q4What can hackers do? (Privileges/Data)

🔓 **Attacker Capabilities**: Full **Remote Code Execution (RCE)**. Can read sensitive files, modify database content, install backdoors, and take over the entire website infrastructure.

Q5Is exploitation threshold high? (Auth/Config)

⚡ **Exploitation Threshold**: **LOW**. CVSS Vector: `AV:N/AC:L/PR:N/UI:N`. No authentication required. No user interaction needed. Exploitable over the network easily.

Q6Is there a public Exp? (PoC/Wild Exploitation)

📢 **Public Exploit**: **No**. The `pocs` array is empty in the data. No public Proof-of-Concept (PoC) or wild exploitation code is currently available.

Q7How to self-check? (Features/Scanning)

🔍 **Self-Check**: Scan for **Handyman** theme/plugin version **≤1.4**. Look for PHP deserialization functions (`unserialize()`) in plugin code handling user input. Use vulnerability scanners targeting CWE-502.

Q8Is it fixed officially? (Patch/Mitigation)

🔧 **Official Fix**: **Yes**. Update to a version **newer than 1.4**. The vendor (AncoraThemes) is expected to release a patched version. Check vendor site for updates.

Q9What if no patch? (Workaround)

🚧 **No Patch Workaround**: Disable the plugin/theme immediately. Remove the theme from the WordPress installation. Restrict file permissions. Monitor logs for suspicious `unserialize` calls.

Q10Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **CRITICAL**. CVSS Score is **9.8** (High). Remote, unauthenticated, high impact. Patch immediately or disable the component to prevent total site takeover.