Missing authorization in Epos Now WooCommerce plugin exposes task queue
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-862.
Summary
The Integration for Epos Now and WooCommerce WordPress plugin from 4.6.0 before 4.11.2 does not check authorization on one of its REST endpoints (CWE-862). An unauthenticated remote attacker can retrieve the site's scheduled background tasks and their arguments, which include order identifiers and, when WooCommerce's deferred emails feature is enabled, the plaintext passwords of newly registered customers. A public exploit is linked in the references.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
The Integration for Epos Now and WooCommerce WordPress plugin before 4.11.2 does not perform an authorization check on one of its REST endpoints, allowing unauthenticated users to retrieve the site's scheduled background tasks and their arguments, which include order identifiers and, when WooCommerce's deferred emails feature is enabled, the plaintext passwords of newly registered customers.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Integration for Epos Now and WooCommerce | 4.6.0 to before 4.11.2 | 4.11.2 | Patch available | CNA |
- Integration for Epos Now and WooCommerce VendorUnknown Affected 4.6.0 to before 4.11.2 Fixed in 4.11.2 Patch available CNA
Remediation
Update the Integration for Epos Now and WooCommerce plugin to version 4.11.2, which fixes the flaw. The sources do not list a vendor advisory for this fix.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
- Fix · CNA Integration for Epos Now and WooCommerce (Unknown) Fixed in 4.11.2
Timeline
- 2026-10-07 Threatist record created from CVE-2026-103323
- 2026-10-07 Alias added: GHSA-xh93-r96c-6fj2
- 2026-10-07 CVSS score added · CISA ADP
- 2026-10-07 Weakness changed · CISA ADP
- 2026-10-07 CISA SSVC decision points changed
References
Sources
- CVE-2026-103323 · CVE Program
- CVE-2026-103323 · NVD
- FIRST EPSS
- GHSA-xh93-r96c-6fj2 · GitHub Advisory Database · CC BY 4.0
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