CVE-2025-52552
Medium
Description
FastGPT is an AI Agent building platform. Prior to version 4.9.12, the LastRoute Parameter on login page is vulnerable to open redirect and DOM-based XSS. Improper validation and lack of sanitization of this parameter allows attackers execute malicious JavaScript or redirect them to attacker-controlled sites. This issue has been patched in version 4.9.12.
SeverityMedium
CVSS6.1
Exploit probability—
ProductFastgpt
PublishedJun 21, 2025
First seenJun 21, 2025
Weakness typeCWE-601Open redirectCWE-79Cross-site scripting (XSS)
How to fix
Update
- fastgpt fastgpt4.9.12 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| fastgpt fastgpt | v < 4.9.12 | 4.9.12 |
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