Vulnerability in Instantsoft Icms2
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.
Published .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Instantsoft Icms2 — versions 2.18.0, 2.18.1, 2.18.2
Weakness classification (CWE)
References
- vuldb.com/vuln/416225 (technical-description, vdb-entry)
- vuldb.com/vuln/416225/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-108568 (third-party-advisory)
- vuldb.com/submit/954261 (third-party-advisory)
Frequently asked questions
- What is CVE-2026-108568?
- CVE-2026-108568 is a medium-severity vulnerability in Instantsoft Icms2, classified under Insufficient Verification of Data Authenticity. CVSS score: 4.3/10. Published 2026-10-11.
- How severe is CVE-2026-108568?
- Medium severity. CVSS v3 base score is 4.3 out of 10.