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CVE-2025-35939 β€” AI Deep Analysis Summary

CVSS 5.3 Β· Medium

Q1What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: Craft CMS fails to clean up session files properly. πŸ’₯ **Consequences**: This oversight can lead to **Arbitrary Code Execution (ACE)**.…

Q2Root Cause? (CWE/Flaw)

πŸ›‘οΈ **Root Cause**: **CWE-472** (External Control of System or Configuration Setting).…

Q3Who is affected? (Versions/Components)

πŸ“¦ **Affected**: **Craft CMS** versions **prior to 5.7.5**. Also affects **version 4.x** prior to **4.15.3**. If you are running any version older than these, you are vulnerable.

Q4What can hackers do? (Privileges/Data)

πŸ•΅οΈ **Attacker Capabilities**: With **no authentication** required (PR:N), hackers can execute arbitrary code.…

Q5Is exploitation threshold high? (Auth/Config)

πŸ”“ **Exploitation Threshold**: **LOW**. The CVSS vector shows **AV:N** (Network), **AC:L** (Low Complexity), **PR:N** (No Privileges), and **UI:N** (No User Interaction).…

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

πŸ“œ **Public Exploit**: Currently, **No PoC** (Proof of Concept) is listed in the provided data.…

Q7How to self-check? (Features/Scanning)

πŸ” **Self-Check**: Scan your environment for **Craft CMS** installations. Check the version number in the admin panel or source code. If it is < **5.7.5** or < **4.15.3**, you are at risk.…

Q8Is it fixed officially? (Patch/Mitigation)

βœ… **Official Fix**: **Yes**. The vendor has released patches. Upgrade to **Craft CMS 5.7.5** or **4.15.3** immediately. See the GitHub release notes for details.

Q9What if no patch? (Workaround)

🚧 **Workaround**: If you cannot patch immediately, implement strict **Input Validation** on session data. Ensure session files are not directly accessible or executable by the web server.…

Q10Is it urgent? (Priority Suggestion)

πŸ”₯ **Urgency**: **HIGH**. Despite the CVSS score being moderate (due to low impact ratings), the **No Auth** and **Network** vectors make it critical. Patch immediately to prevent potential ACE.…