CVE-2026-4540 details a high-severity SQL Injection vulnerability in projectworlds Online Notes Sharing System version 1.0, specifically affecting the /login.php component through manipulation of the 'User' argument. This flaw carries a CVSS score of 7.3, indicating it is remotely exploitable with low attack complexity and requires no authentication, potentially leading to limited compromise of confidentiality, integrity, and availability. While exploit code is publicly available, there are currently no reports of active exploitation in the wild, and it is not listed on CISA's Known Exploited Vulnerabilities catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| Projectworlds | Online Notes Sharing System | 1.0CNA affected |
CVSS version used by this source: 4.0
CVSS: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
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.