CVE-2026-0566: code-projects content_management_system Improper Access Control
Vulnerability summary
CVE-2026-0566 is a critical (CVSS 9.8) Improper Access Control vulnerability in code-projects content_management_system. EPSS estimates a 0.36% chance of exploitation in the next 30 days, higher than 27.8% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 02-01-2026PublishedVulnerability first disclosed.
- 23-02-2026Last modifiedVulnerability information updated.
Description
A security vulnerability has been detected in code-projects Content Management System 1.0. Impacted is an unknown function of the file /admin/edit_posts.php. The manipulation of the argument image leads to unrestricted upload. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used.
CVSS metrics
7 scores · 2 sources · 4 versions- NVDNIST2.0LowCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XDiffers
- CVE.orgCNA4.7MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:RDiffers
- NVDNIST5.8MediumAV:N/AC:L/Au:M/C:P/I:P/A:P
EPSS trend
Probability
0.36%
Chance of exploitation in the next 30 days
Percentile
28%
Versus all other CVEs
30-day change
+0.01 pp
From 0.35% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundCve
Maturity: poc
Weaknesses
CWE · root cause- CWE-284Improper Access ControlThe product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
- CWE-434Unrestricted Upload of File with Dangerous TypeThe product allows the upload or transfer of dangerous file types that are automatically processed within its environment.
Affected systems
Code-projects1 product
1 vendor · 1 product
References
5 links- code-projects.orgProduct