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Q1What is this vulnerability? (Essence + Consequences)
π¨ **Essence**: Unauthenticated Function Injection in WordPress Epsilon Framework. <br>π₯ **Consequences**: Attackers can invoke arbitrary PHP methods, leading to **Remote Code Execution (RCE)**.β¦
π οΈ **Root Cause**: CWE-94 (Code Injection). <br>π **Flaw**: The `epsilon_framework_ajax_action` allows attackers to control the **class**, **method**, and **arguments** passed to PHP functions.β¦
π¦ **Affected**: WordPress themes using **Epsilon Framework** (by machothemes). <br>π **Specifics**: Antreas <= 1.0.2, Shapely <= 1.2.7, NewsMag <= 2.4.1, Sparkling <= 2.4.8, and many others listed in the PoC.
Q4What can hackers do? (Privileges/Data)
π **Privileges**: **Unauthenticated** access. <br>π **Data**: Full **Remote Code Execution**. Hackers can run any PHP command, steal data, install backdoors, or take over the entire site.
Q5Is exploitation threshold high? (Auth/Config)
π **Threshold**: **Extremely Low**. <br>π **Auth**: **No authentication required**. <br>βοΈ **Config**: No special configuration needed. Just a vulnerable theme version is enough.
Q6Is there a public Exp? (PoC/Wild Exploitation)
π£ **Public Exp?**: **YES**. <br>π **PoC**: Available on GitHub (e.g., `b1g-b33f/CVE-2020-36708`) and Nuclei templates. <br>π **Wild Exp**: Active large-scale attacks have been reported targeting this flaw.
Q7How to self-check? (Features/Scanning)
π **Self-Check**: Scan for Epsilon Framework AJAX endpoints. <br>π οΈ **Tools**: Use Nuclei templates or WPScan. <br>π **Visual**: Check if your theme is in the affected list (e.g., Antreas, Shapely).
Q8Is it fixed officially? (Patch/Mitigation)
π‘οΈ **Official Fix**: **YES**. <br>π **Patch**: Update the affected WordPress theme to the latest version. The vendor (machothemes) released fixes for the Epsilon Framework.
Q9What if no patch? (Workaround)
π§ **No Patch?**: **Disable AJAX** for the Epsilon Framework if possible. <br>π« **WAF**: Block requests to `epsilon_framework_ajax_action`.β¦
π₯ **Urgency**: **CRITICAL**. <br>β οΈ **Priority**: **P1**. <br>π **Action**: Patch immediately. Unauthenticated RCE is a top-tier threat. Do not wait.