CVE-2026-4540

A vulnerability was detected in projectworlds Online Notes Sharing System 1.0. This issue affects some unknown processing of the file /login.php of the component Parameters Handler. The manipulation of the argument User results in sql injection. The attack can be executed remotely. The exploit is now public and may be used.

CVSS v4.0

5.5 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/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:X

CVSS v3.1

7.3 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CVSS v2.0

7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS

0.36% chance of exploitation in the next 30 days, 29th percentile

Published

2026-03-22

Updated

2026-03-24

Proof-of-concept exploits (1)

• juzidddd/CVE/issues/4

References

• CVE Record
• NVD entry

Related

• CVE-2025-12215
• CVE-2025-12237
• CVE-2025-12938
• CVE-2026-45398
• CVE-2026-45401
• CVE-2026-45397