CVE-2026-108568

MEDIUMCVSS 4.3/10

Last modified

CVE-2026-108568 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. 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.

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.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
InstantSofticms22.18.0; 2.18.1; 2.18.2

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-108568?
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.
How severe is CVE-2026-108568?
CVE-2026-108568 has a CVSS score of 4.3/10 (MEDIUM severity).
How do I fix CVE-2026-108568?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST