CVE-2026-110020
Rich Showcase for Google Reviews <= 7.1.6 - Missing Authorization to Authenticated (Contributor+) Site Secret Disclosure via 'grw_auth_code' Site Secret Disclosure via grw-builder Admin Page
Description
The Rich Showcase for Google Reviews plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 7.1.6 This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with contributor-level access and above, to retrieve the plugin's 127-character site-wide grw_auth_code authentication secret and use it to impersonate the WordPress site to the RichPlugins backend service at app.richplugins.com.
INFO
Published Date :
Oct. 28, 2026, 7:16 a.m.
Last Modified :
Oct. 29, 2026, 2:16 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | MEDIUM | MITRE-CVE | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the Rich Showcase for Google Reviews plugin.
- Apply vendor patches or updates immediately.
- Verify authorization checks in plugin code.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-110020.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-110020 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-110020
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-110020 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-110020 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Oct. 29, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-110020', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-10-29T01:31:02.976167Z'} -
New CVE Received by [email protected]
Oct. 28, 2026
Action Type Old Value New Value Added Description The Rich Showcase for Google Reviews plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 7.1.6 This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with contributor-level access and above, to retrieve the plugin's 127-character site-wide grw_auth_code authentication secret and use it to impersonate the WordPress site to the RichPlugins backend service at app.richplugins.com. Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Added CWE CWE-862 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/110xxx/CVE-2026-110020.json">CVE-2026-110020</a> Added Reference https://downloads.wordpress.org/plugin/widget-google-reviews.7.1.7.zip Added Reference https://plugins.trac.wordpress.org/browser/widget-google-reviews/tags/7.1.6/includes/admin/class-admin-menu.php#L78 Added Reference https://plugins.trac.wordpress.org/browser/widget-google-reviews/tags/7.1.6/includes/class-builder-page.php#L193 Added Reference https://plugins.trac.wordpress.org/browser/widget-google-reviews/tags/7.1.6/includes/class-builder-page.php#L71 Added Reference https://www.wordfence.com/threat-intel/vulnerabilities/id/3bcf9640-ef7e-4cff-ada2-5ddc4261befa?source=cve