CVE-2026-18720

kalcaddle kodbox msgWarning Plugin action improper authorization

A flaw has been found in kalcaddle kodbox 1.67 Build 02. This vulnerability affects unknown code of the file /index.php?plugin/msgWarning/action of the component msgWarning Plugin. Executing a manipulation can lead to improper authorization. It is possible to launch the attack remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected

kalcaddle · kodbox

CVSS v4.0 VULDB

5.5 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/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 VULDB

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

CVSS v2.0 VULDB

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

EPSS

0.48% chance of exploitation in the next 30 days, 40th percentile

Published

2026-08-04

Proof-of-concept exploits (1)

• sjmycz/cve/issues/40★ · 2026-06-15

References

• CVE Record
• NVD entry

Related

• CVE-2026-15672
• CVE-2026-18721
• CVE-2026-18788