WordPress security changelog
MEDIUM CVE-2026-15739 Deferred

Google Reviews pagination shortcode attribute permits stored XSS

Rich Showcase for Google Reviews through 6.9.9 lets a Contributor store an attacker-controlled pagination value in the [grw] shortcode. Feed_Old::get_feed() carries the attribute into the feed options, and View::render_grid() or grw_place_reviews() inserts it directly as the second argument of an inline onclick handler. HTML attribute encoding at the earlier shortcode step does not make the value safe for this JavaScript context, so a crafted stored value can execute when a visitor uses the rendered reviews control.

CVE / CNA score 6.4 CVSS 3.1 · security@wordfence.com
NVD score Pending NVD has not published its own CVSS assessment.
Component
Rich Showcase for Google Reviews
Plugin slug
widget-google-reviews
Affected
<= 6.9.9
Safe version
6.9.10
Published
Jul 24, 2026
Weakness
CWE-79 — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

This CVE was published Jul 24, 2026 and is one of 4 known issues for this plugin.

What to do

Update, patch or deactivate.

Update Rich Showcase for Google Reviews to 6.9.10 or later. The fixed release converts pagination to a non-negative integer before using it in comparisons or inline JavaScript. Review Contributor-authored grw shortcodes and replace non-numeric pagination attributes.

A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Source record

Technical description

The Rich Showcase for Google Reviews plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'pagination' Shortcode Attribute in all versions up to, and including, 6.9.9 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.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

References

Primary and upstream sources