PHP Object Injection in WordPress myPOS Checkout plugin
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-502.
Summary
The WordPress myPOS Checkout plugin, versions up to and including 1.4.5, unsafely deserializes untrusted data (CWE-502), which allows PHP object injection. An attacker with high privileges, such as a shop manager, can exploit this over the network without user interaction to affect confidentiality, integrity and availability.
Written with Claude Haiku 5.5 from the sources below · 2026-10-30
Description from the CNA
Shop manager PHP Object Injection in myPOS Checkout <= 1.4.5 versions.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
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 |
|---|---|---|---|---|---|
| myPOS Payments | myPOS Checkout | up to 1.4.5 | — | No fix listed | CNA |
- myPOS Checkout VendormyPOS Payments Affected up to 1.4.5 Fixed in — No fix listed CNA
Remediation
The sources list no fixed version for myPOS Checkout.
Written with Claude Haiku 5.5 from the sources below · 2026-10-30
Timeline
- 2026-10-29 Threatist record created from CVE-2026-116869
- 2026-10-29 Alias added: GHSA-3cp7-rx7c-w59q
- 2026-10-30 CISA SSVC decision points changed
- 2026-10-30 Priority changed: MEDIUM → LOW
Sources
- CVE-2026-116869 · CVE Program
- CVE-2026-116869 · NVD
- FIRST EPSS
- GHSA-3cp7-rx7c-w59q · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences