Authenticated SSRF via unrestricted file fetch URL
Published Sep 20, 2022 · Updated May 28, 2025
Server-side request forgery in BaijiaCMS V4 4.1.4 allows remote authenticated users to make arbitrary server-side requests. The fetch_net_file_upload function in includes/baijiacms/common.inc.php passes the unrestricted url parameter directly to file_get_contents and saves the returned bytes beneath the attachment directory. A valid session is required; the request can probe intranet services or use the file scheme to copy readable local files into a web-accessible location.
Summary
What happened
Server-side request forgery in BaijiaCMS V4 4.1.4 allows remote authenticated users to make arbitrary server-side requests. The fetch_net_file_upload function in includes/baijiacms/common.inc.php passes the unrestricted url parameter directly to file_get_contents and saves the returned bytes beneath the attachment directory. A valid session is required; the request can probe intranet services or use the file scheme to copy readable local files into a web-accessible location.
The record
- CVE
- CVE-2022-38931
- Published
- Sep 20, 2022
- Updated
- May 28, 2025
- Vendor
- Unknown vendor
- Product
- Unknown product
- Classifications
- CWE-918, CAPEC-664, T1190
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Sep 20, 2022CVE publishedPublication date reported by the CVE source.
- May 28, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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What is affected?
Affected products and versions are unavailable in this record.
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
- BaijiaCMS V4 SSRF curl proof of conceptproof of concept · demonstrated
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Technologies
Your stack
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Your stack
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