This is a summary of the AI-generated 10-question deep analysis. The full version (longer answers, follow-up Q&A, related CVEs) requires login. Read the full analysis β
Q1What is this vulnerability? (Essence + Consequences)
π¨ **Essence**: Arbitrary File Upload via `uploadFontIconAJAX`. π₯ **Consequences**: Attackers upload malicious ZIP files (containing PHP) to `wp-content/uploads/kaswara/fonts_icon`.β¦
π‘οΈ **CWE**: CWE-434 (Unrestricted Upload of File with Dangerous Type). π **Flaw**: The plugin unzips uploaded files into the web-accessible directory **without checking** for malicious content like PHP scripts.
Q3Who is affected? (Versions/Components)
π’ **Vendor**: SayenThemes. π¦ **Product**: Kaswara Modern VC Addons. π **Affected**: Version **3.0.1 and earlier**. β **Safe**: Versions > 3.0.1.
Q4What can hackers do? (Privileges/Data)
π **Privileges**: Full **Code Execution** (RCE). π **Data**: Complete server compromise. Attackers can run arbitrary commands, steal data, or install backdoors.
Q5Is exploitation threshold high? (Auth/Config)
π **Auth**: **Unauthenticated**. No login required. π― **Config**: Exploits the `uploadFontIcon` AJAX action directly. Extremely easy to trigger.
Q6Is there a public Exp? (PoC/Wild Exploitation)
π» **Exploit**: Yes. Public PoC available via **Nuclei Templates** (ProjectDiscovery). π **Status**: High risk of wild exploitation due to simplicity.
Q7How to self-check? (Features/Scanning)
π **Check**: Scan for `uploadFontIconAJAX` endpoint. π **Verify**: Look for unauthorized PHP files in `wp-content/uploads/kaswara/fonts_icon/`. π οΈ **Tool**: Use Nuclei or manual HTTP requests.
π« **Workaround**: Disable the `uploadFontIcon` AJAX action via code. π‘οΈ **Harden**: Restrict upload permissions in `wp-config.php` or WAF rules to block PHP execution in upload folders.
Q10Is it urgent? (Priority Suggestion)
β οΈ **Priority**: **CRITICAL**. π₯ **Urgency**: High. Unauthenticated RCE is a top-tier threat. Patch **immediately** to prevent server takeover.