CVE-2026-87838

N/A PoC AVAILABLE

Published 2026-10-21 · Last modified 2026-10-21

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.

EXPLOIT AVAILABLE

Public exploit or PoC code exists. Modeled probability is still low, but the barrier to attack is reduced — watch closely.

Exploitation likelihood

—EPSS not yet scored

○ In CISA KEV ● Public exploit / PoC

Impact if exploited

—CVSS · not scored

No impact metrics

Proof of concept & exploit code

reference https://wpscan.com/vulnerability/96f247d7-3007-4728-9cd7-0ea52c96edb3/
github-search Search GitHub for public PoC repos

Test against your own equipment

curl -s https://vulnpedia.com/cve/CVE-2026-87838/poc.jsonMachine-readable PoC index for this CVE (for automation).

Listed for defensive triage, patch verification, and authorized testing on systems you own. Machine-readable: /cve/CVE-2026-87838/poc.json

Affected

Vendors Unknown

Products Wava Payment Plugin

Weakness (CWE)

Not classified.

CVSS vector

Not yet scored.

References

Exploits & PoC

https://wpscan.com/vulnerability/96f247d7-3007-4728-9cd7-0ea52c96edb3/ exploitvdb-entrytechnical-description

Sources: NVD · CVE.org · EPSS