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InstantSoft icms2 Billing paypal.php validatePaypalOrder data authenticity

Type: advisorySource: Official CVE List1 source record

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.

Announced Source revision 1
Original source ↗

CVE-2026-108568

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-108568

icms2

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "cpes": [
      "cpe:2.3:a:instantsoft:icms2:*:*:*:*:*:*:*:*"
    ],
    "vendor": "InstantSoft",
    "modules": [
      "Billing Module"
    ],
    "product": "icms2",
    "versions": [
      {
        "status": "affected",
        "version": "2.18.0"
      },
      {
        "status": "affected",
        "version": "2.18.1"
      },
      {
        "status": "affected",
        "version": "2.18.2"
      }
    ]
  }
]
Related CVEs
CVE-2026-108568

Source reference: /cveMetadata/cveId

Publisher severity

medium

Source reference: /containers/cna/metrics

Event
#20763 · Revision 1
Added to Heist Feed
Publisher date
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