Eventin < 4.1.21 - Contributor+ Server-Side Request Forgery
Priority LOW 14CWE-918Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-918 and the CVSS impact.
Summary
The Eventin WordPress plugin before 4.1.21 does not validate a user-supplied webhook URL stored on events nor verify event ownership, allowing users with contributor-level access and above to trigger blind server-side requests to arbitrary hosts.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00325 25th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Eventin (Unknown): 4.1.21
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 | Eventin | before 4.1.21 | 4.1.21 | Patch available | CNA |
- Eventin VendorUnknown Affected before 4.1.21 Fixed in 4.1.21 Patch available CNA
Remediation
- Fix · CNA Eventin (Unknown) Fixed in 4.1.21
Timeline
- 2026-10-02 Threatist record created from CVE-2026-13176
- 2026-10-03 Alias added: GHSA-v7v5-h6rx-g9vq
References
Sources
- CVE-2026-13176 · CVE Program
- CVE-2026-13176 · NVD
- FIRST EPSS
- GHSA-v7v5-h6rx-g9vq · 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