CVE-2026-87838 Wava Payment 0.3.1 - 0.3.9 - Unauthenticated Merchant Credential Overwrite via Install Webhook
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-87838?
CVE-2026-87838 is a medium-severity vulnerability in Unknown Wava Payment Plugin, published on 21 Oct 2026.
Official description
The Wava Payment Plugin WordPress plugin before 0.3.10 does not perform any authorisation, nonce or origin verification on one of its public REST endpoints, allowing unauthenticated attackers to overwrite the stored credential that identifies the merchant account the store's payments are created against, to force the integration into a verified state the site owner never completed, and to remove the payment method from the store's checkout.
Weakness: CWE-862
Which versions are affected by CVE-2026-87838?
How do I fix CVE-2026-87838?
No fix has been published for CVE-2026-87838 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-87838 being exploited?
There is no known exploitation of CVE-2026-87838 in the wild and no public exploit code.
Sources
Also known as GHSA-hqf7-665r-7343.