CVSS v3
9.8
CRITICAL
EPSS Score
1.3 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
A vulnerability classified as critical has been found in ForU CMS. This affects an unknown part of the file /install/index.php. The manipulation of the argument db_name leads to code injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. This product does not use versioning. This is why information about affected and unaffected releases are unavailable. The associated identifier of this vulnerability is VDB-240363. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Technical details
- Published
- 2023-09-27
Frequently asked questions
What is CVE-2023-5221?
A vulnerability classified as critical has been found in ForU CMS. This affects an unknown part of the file /install/index.php. The manipulation of the argument db_name leads to code injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. This product does not use versioning. This is why information about affected and unaffected releases are unavailable. The associated identifier of this vulnerability is VDB-240363. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Is CVE-2023-5221 actively exploited?
Active exploitation of CVE-2023-5221 has not been confirmed. Its EPSS score was 1.3% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2023-5221?
CVE-2023-5221 has a CVSS v3 base score of 9.8 (CRITICAL severity).
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