Eventin < 4.1.16 - Unauthenticated Payment Bypass via Order Status Manipulation
Priority HIGH 72CWE-639Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-639.
Summary
The Eventin WordPress plugin before 4.1.16 does not properly authorize order creation and accepts an attacker-supplied order status, allowing unauthenticated users to create orders marked as paid without completing any payment.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00358 29th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Eventin (Unknown): 4.1.16
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- 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 | Eventin | before 4.1.16 | 4.1.16 | Patch available | CNA |
- Eventin VendorUnknown Affected before 4.1.16 Fixed in 4.1.16 Patch available CNA
Remediation
- Fix · CNA Eventin (Unknown) Fixed in 4.1.16
Timeline
- 2026-10-02 Threatist record created from CVE-2026-13178
- 2026-10-03 Alias added: GHSA-5mvv-43fh-86fq
References
Sources
- CVE-2026-13178 · CVE Program
- CVE-2026-13178 · NVD
- FIRST EPSS
- GHSA-5mvv-43fh-86fq · 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