CVE-2026-108568

Medium

Description

A vulnerability was determined in InstantSoft icms2 up to 2.18.2. The affected element is the function validatePaypalOrder of the file system/controllers/billing/actions/paypal.php of the component Billing Module. Executing a manipulation of the argument bid/sig can lead to insufficient verification of data authenticity. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

SeverityMedium
CVSS4.3
Exploit probability—
ProductInstantsoft Icms2
PublishedOct 11, 2026
First seenOct 11, 2026
Weakness typeCWE-345CWE-345

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
instantsoft icms22.18.0, 2.18.1, 2.18.2—

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