CVE-2026-103382: Casso Flow (WordPress plugin) · Improper Access Control
Affects Casso Flow (WordPress plugin)Source CVE Database V5
Not known to be exploited : upgrade to 4.2.0 soon.
Data as of 28 Oct 2026, 06:28 UTC
Rated High by Threat Radar's AI analysis · CVSS not yet scored by NVD
- Patch
- Available – fixed in 4.2.0
Exploitation evidence
Disclosed: evidence found.
CVE published 28 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
| Product | Affected | Fixed in |
|---|---|---|
| Casso Flow | Affected
| Fixed in
|
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.