CVE-2026-18720: kalcaddle kodbox msgWarning Plugin action improper authorization

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-04 · updated 2026-10-23
Weakness: CWE-266

Description

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 products

kalcaddle kodbox: 1.67 Build 02

References

https://github.com/sjmycz/cve/issues/4
https://vuldb.com/cve/CVE-2026-18720
https://vuldb.com/submit/856156
https://vuldb.com/vuln/385631
https://vuldb.com/vuln/385631/cti

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