Critical severity · published Jan 26, 2026
CVE-2026-1423
code-projects Online Examination System admin_pic.php unrestricted upload
9.8
CVSS
0.4%
EPSS
No
On KEV
Description
A vulnerability was determined in code-projects Online Examination System 1.0. Affected by this issue is some unknown functionality of the file /admin_pic.php. Executing a manipulation can lead to unrestricted upload. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 36% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OE
Online Examination System · code-projects
1.0 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-1423
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-1423
Product
https://code-projects.org/
Exploit
https://github.com/geo-chen/code-projects/blob/main/Online%20Examination%20System%20In%20PHP%20With%20Source%20Code.md#finding-3-remote-code-execution-via-unsafe-file-upload
Permissions Required
https://vuldb.com/?ctiid.342839
Third Party Advisory
https://vuldb.com/?id.342839
Third Party Advisory
https://vuldb.com/?submit.736607
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