CVE-2026-121518
Customer Reviews for WooCommerce <= 5.127.0 - Unauthenticated Sensitive Information Exposure in 'search' Parameter
Description
The Customer Reviews for WooCommerce plugin for WordPress is vulnerable to Sensitive Information Exposure in versions up to, and including, 5.127.0 via the 'search' parameter of the cr_show_more_all_reviews and cr_show_more_reviews AJAX actions. This is due to the handlers being hooked on wp_ajax_nopriv_* without a capability check (and, in the product-page handler, with a nonce check that is behind a filter defaulting to false) while passing the visitor-supplied search string straight into get_comments() as the 'search' argument, which core expands into LIKE conditions over comment_author, comment_author_email, comment_author_url, comment_author_IP and comment_content. This makes it possible for unauthenticated attackers to extract review author email addresses and IP addresses — fields WordPress and WooCommerce never expose to the public — one character at a time by observing whether the returned result set matches a probed substring.
INFO
Published Date :
Nov. 13, 2026, 10:17 a.m.
Last Modified :
Nov. 13, 2026, 10:17 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-121518
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | MITRE-CVE | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the Customer Reviews for WooCommerce plugin.
- Apply vendor-released security patches immediately.
- Verify the plugin version is updated.
- Remove the plugin if update is unavailable.
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-2026-121518.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-121518 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-2026-121518
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-2026-121518 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-121518 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.
-
New CVE Received by [email protected]
Nov. 13, 2026
Action Type Old Value New Value Added Description The Customer Reviews for WooCommerce plugin for WordPress is vulnerable to Sensitive Information Exposure in versions up to, and including, 5.127.0 via the 'search' parameter of the cr_show_more_all_reviews and cr_show_more_reviews AJAX actions. This is due to the handlers being hooked on wp_ajax_nopriv_* without a capability check (and, in the product-page handler, with a nonce check that is behind a filter defaulting to false) while passing the visitor-supplied search string straight into get_comments() as the 'search' argument, which core expands into LIKE conditions over comment_author, comment_author_email, comment_author_url, comment_author_IP and comment_content. This makes it possible for unauthenticated attackers to extract review author email addresses and IP addresses — fields WordPress and WooCommerce never expose to the public — one character at a time by observing whether the returned result set matches a probed substring. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Added CWE CWE-200 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/121xxx/CVE-2026-121518.json">CVE-2026-121518</a> Added Reference https://plugins.trac.wordpress.org/browser/customer-reviews-woocommerce/tags/5.126.0/includes/blocks/class-cr-all-reviews.php#L26 Added Reference https://plugins.trac.wordpress.org/browser/customer-reviews-woocommerce/tags/5.126.0/includes/blocks/class-cr-all-reviews.php#L407 Added Reference https://plugins.trac.wordpress.org/browser/customer-reviews-woocommerce/tags/5.126.0/includes/blocks/class-cr-all-reviews.php#L584 Added Reference https://plugins.trac.wordpress.org/browser/customer-reviews-woocommerce/tags/5.126.0/includes/reviews/class-cr-ajax-reviews.php#L159 Added Reference https://plugins.trac.wordpress.org/browser/customer-reviews-woocommerce/tags/5.126.0/includes/reviews/class-cr-ajax-reviews.php#L175 Added Reference https://plugins.trac.wordpress.org/browser/customer-reviews-woocommerce/tags/5.126.0/includes/reviews/class-cr-ajax-reviews.php#L24 Added Reference https://plugins.trac.wordpress.org/browser/customer-reviews-woocommerce/tags/5.126.0/includes/reviews/class-cr-ajax-reviews.php#L284 Added Reference https://plugins.trac.wordpress.org/changeset/3791702/ Added Reference https://plugins.trac.wordpress.org/changeset/3791702/customer-reviews-woocommerce/trunk/includes/blocks/class-cr-all-reviews.php Added Reference https://www.wordfence.com/threat-intel/vulnerabilities/id/e93acf29-8ff0-4412-9ff0-161f154b4311?source=cve