CVE-2026-16538
Top-up verification bypass in Wallet for WooCommerce lets attackers credit wallets without full payment.
Is CVE-2026-16538 being exploited?
Not confirmed. CVE-2026-16538 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.23% probability of exploitation in the next 30 days.
How severe is CVE-2026-16538?
CVE-2026-16538 is rated Critical. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-16538?
Yes. A fix has been recorded for CVE-2026-16538. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-16538 affect?
CVE-2026-16538 affects Wallet for WooCommerce WordPress plugin <1.6.10, WordPress sites using Wallet for WooCommerce. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-16538?
Update plugin to 1.6.10+ and audit wallet/top-up transactions
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Attackers can increase wallet balances without paying, enabling fraudulent purchases and direct financial loss to merchants.
Immediate action required
- affected< 1.6.10
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.