Easy PayPal & Stripe Buy Now Button 1.8 - 2.0.5 - Unauthenticated Payment Amount Manipulation via Client-Supplied Price
Priority LOW 30CWE-472Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
The Easy PayPal & Stripe Buy Now Button WordPress plugin before 2.0.6 does not derive the payment amount on the server, taking it from a client-supplied field, so an unauthenticated attacker sets an arbitrary lower price for a purchase.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00236 14th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Easy PayPal & Stripe Buy Now Button (Unknown): 2.0.6
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- 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 | Easy PayPal & Stripe Buy Now Button | 1.8 to before 2.0.6 | 2.0.6 | Patch available | CNA |
- Easy PayPal & Stripe Buy Now Button VendorUnknown Affected 1.8 to before 2.0.6 Fixed in 2.0.6 Patch available CNA
Remediation
- Fix · CNA Easy PayPal & Stripe Buy Now Button (Unknown) Fixed in 2.0.6
Timeline
- 2026-10-02 Threatist record created from CVE-2026-90987
- 2026-10-03 Alias added: GHSA-x5h3-rq2w-f7cx
References
Sources
- CVE-2026-90987 · CVE Program
- CVE-2026-90987 · NVD
- FIRST EPSS
- GHSA-x5h3-rq2w-f7cx · 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