CVE-2026-11518

A vulnerability was identified in SourceCodester Inventory System 1.0. Affected is an unknown function of the file /users.php of the component User Management Page. The manipulation of the argument fullname/username leads to cross site scripting. The attack is possible to be carried out remotely. The exploit is publicly available and might be used.

CVSS v4.0

2.1 LOWCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/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

4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

CVSS v2.0

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N

EPSS

0.39% chance of exploitation in the next 30 days, 32th percentile

Published

2026-06-08

Proof-of-concept exploits (2)

• Xmyronn/Stored-XSS-in-Inventory-System-using-PHP-and-MySQL.git
• Xmyronn/CVE-2026-11518-XSS0★ · 2026-05-23

References

• CVE Record
• NVD entry

Related

• CVE-2026-10110
• CVE-2026-10170
• CVE-2026-10243
• CVE-2026-10288
• CVE-2026-10289
• CVE-2026-10290