HOMEVULNERABILITIESCVE-2023-5221
CRITICAL

CVE-2023-5221

CWE-94Published: September 27, 2023· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2023-5221 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

foru_cms_project1 product(s)
foru cms
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://github.com/Fovker8/cve/blob/main/rce.md
ADVISORYhttps://vuldb.com/?ctiid.240363
ADVISORYhttps://vuldb.com/?id.240363
ADVISORYhttps://github.com/Fovker8/cve/blob/main/rce.md
ADVISORYhttps://vuldb.com/?ctiid.240363
ADVISORYhttps://vuldb.com/?id.240363

All References (6)

→
https://github.com/Fovker8/cve/blob/main/rce.mdExploit · Third Party Advisory
→
https://vuldb.com/?ctiid.240363Permissions Required · Third Party Advisory · VDB Entry
→
https://vuldb.com/?id.240363Third Party Advisory · VDB Entry
→
https://github.com/Fovker8/cve/blob/main/rce.mdExploit · Third Party Advisory
→
https://vuldb.com/?ctiid.240363Permissions Required · Third Party Advisory · VDB Entry
→
https://vuldb.com/?id.240363Third Party Advisory · VDB Entry

Quick Facts

CVE IDCVE-2023-5221
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-94
CISA KEVNo
Affected1 vendor(s)
PublishedSep 27, 2023

Related CVEs (CWE-94)

CVE-2023-50029
10.0
CVE-2014-5210
10.0
CVE-2023-2583
10.0
CVE-2024-36679
10.0
CVE-2014-3804
10.0
CVE-2014-3805
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-5221 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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