CVE-2026-90987 json
Easy PayPal & Stripe Buy Now Button 1.8 - 2.0.5 - Unauthenticated Payment Amount Manipulation via Client-Supplied Price
published 2026-10-02 38 d ago modified 2026-10-02 38 d ago also EUVD-2026-91213
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 14%
- public exploits
- 0
- none known
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.
Patch / fix
- Unknown Easy PayPal & Stripe Buy Now Button 2.0.6
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 38 d ago
Exploit prediction
0.24% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/7c1faee8-628a-41dc-a5f0-afbc56480a18/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
Affected products
- Unknown Easy PayPal & Stripe Buy Now Button
Classification
- Weakness
-
- CWE-472 External Control of Assumed-Immutable Web Parameter
- Technology feeds
References
-
wpscan.com
/vulnerability/7c1faee8-628a-41dc-a5f0-afbc56480a18/
exploit, vdb-entry, technical-description
Sources
- CVE List CVE-2026-90987
- NVD CVE-2026-90987
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.