Coupon Creator <= 3.1 - Cross-Site Request Forgery Bypass
Priority LOW 21CWE-352Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Tampering
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-352.
Summary
The Coupon Creator plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 3.1. This is due to missing or incorrect nonce validation on the save_meta() function. This makes it possible for unauthenticated attackers to save meta fields via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00476 41st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Coupon Creator (brianjessee): 3.1.1
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 |
|---|---|---|---|---|---|
| brianjessee | Coupon Creator | before 3.1.1 | 3.1.1 | Patch available | CNA |
- Coupon Creator Vendorbrianjessee Affected before 3.1.1 Fixed in 3.1.1 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:jesseeproductions:coupon_creator:*:*:*:*:*:wordpress:*:* | up to 3.1 | Vulnerable | Jesseeproductions |
- cpe:2.3:a:jesseeproductions:coupon_creator:*:*:*:*:*:wordpress:*:* Versions up to 3.1 Vulnerable ·Jesseeproductions
Remediation
- Fix · CNA Coupon Creator (brianjessee) Fixed in 3.1.1
Timeline
- 2026-10-02 Threatist record created from CVE-2020-36751
- 2026-10-03 Alias added: GHSA-2377-2j75-w5v6
References
Other 6
- https://blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attacks/
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-3/
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-2/
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-1/
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-5/
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-4/
Sources
- CVE-2020-36751 · CVE Program
- CVE-2020-36751 · NVD
- FIRST EPSS
- GHSA-2377-2j75-w5v6 · 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