Goal Reached Thanks to every supporter β€” we hit 100%!

Goal: 1000 CNY Β· Raised: 1000 CNY

100.0%

CVE-2025-62521 β€” AI Deep Analysis Summary

CVSS 10.0 Β· Critical

Q1What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: ChurchCRM < 5.21.0 has a **Code Injection** flaw. πŸ“‰ **Consequences**: User input in the **Installation Wizard** is written to config files without validation.…

Q2Root Cause? (CWE/Flaw)

πŸ›‘οΈ **Root Cause**: **CWE-94** (Code Injection). The flaw lies in the **Installation Wizard** where user-supplied data is not sanitized before being written directly to configuration files. ⚠️

Q3Who is affected? (Versions/Components)

🏒 **Affected**: **ChurchCRM** (Open Source CRM for Churches). πŸ“¦ **Version**: All versions **prior to 5.21.0**. If you are running an older build, you are at risk! πŸ“‰

Q4What can hackers do? (Privileges/Data)

πŸ’» **Attacker Actions**: Hackers can achieve **Remote Code Execution (RCE)**. 🎯 They gain full control over the server, allowing them to steal data, modify systems, or pivot to other networks. πŸ•΅οΈβ€β™‚οΈ

Q5Is exploitation threshold high? (Auth/Config)

πŸ”“ **Exploitation**: **Low Threshold**. πŸš€ The CVSS vector shows **AV:N** (Network), **AC:L** (Low Complexity), **PR:N** (No Privileges Required). You don't need to be logged in to exploit this during installation! 🎯

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

πŸ“œ **Public Exploit**: Currently **No PoC** listed in the data. 🚫 However, given the low complexity and network accessibility, wild exploitation is highly likely once details are public. Stay alert! πŸ‘€

Q7How to self-check? (Features/Scanning)

πŸ” **Self-Check**: Scan for **ChurchCRM** instances. πŸ•΅οΈβ€β™€οΈ Check if the version is **< 5.21.0**. Look for exposed **Installation Wizard** endpoints. If you see the setup page, you are vulnerable! 🚩

Q8Is it fixed officially? (Patch/Mitigation)

βœ… **Fix**: Yes! Upgrade to **ChurchCRM 5.21.0** or later. πŸ”„ The vendor has acknowledged the issue (GHSA-m8jq-j3p9-2xf3). Patching is the primary defense. πŸ›‘οΈ

Q9What if no patch? (Workaround)

🚧 **No Patch?**: If you can't upgrade immediately, **disable the Installation Wizard** if possible. 🚫 Restrict access to the setup directory via firewall rules. 🧱 Limit exposure until patched.

Q10Is it urgent? (Priority Suggestion)

πŸ”₯ **Urgency**: **HIGH**. 🚨 CVSS Score is **Critical** (9.8+ implied by H/I/A:H). With **No Auth** required and **Network** access, this is a critical priority. Patch NOW! ⏳