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VulnerabilityPublished

CVE-2026-103382: Casso Flow (WordPress plugin) · Improper Access Control

Affects Casso Flow (WordPress plugin)Source CVE Database V5

0

Not known to be exploited : upgrade to 4.2.0 soon.

Data as of 28 Oct 2026, 06:28 UTC

Severity
High

Rated High by Threat Radar's AI analysis · CVSS not yet scored by NVD

Patch
Available – fixed in 4.2.0

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 28 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Upgrade Casso Flow (WordPress plugin) to 4.2.0.

Affected software

ProductAffectedFixed in
Casso FlowAffected
  • <4.2.0
Fixed in
  • 4.2.0

AI-suggested

Upgrade the Casso Flow plugin to version 4.2.0 or later, where this vulnerability has been fixed. No other mitigation is indicated by the vendor advisory.

Description

Casso Flow WordPress plugin versions before 4.2.0 have an improper access control vulnerability where the token used to authenticate bank-transfer payment notifications is empty by default. This allows unauthenticated attackers to forge payment notifications and mark any pending WooCommerce order as paid, regardless of the payment method.

References

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