CVE-2026-17576
The InfiniteWP Client plugin for WordPress is vulnerable to SQL Injection via the get_comments action in versions up to, and including, 1.13.9.
Does this matter?
Lower severity and a low EPSS score (0.46%). Track it; it rarely justifies an emergency change on its own.
Description
The InfiniteWP Client plugin for WordPress is vulnerable to SQL Injection via the get_comments action in versions up to, and including, 1.13.9. This is due to insufficient escaping on the array-key names supplied in the JSON request body before use in a SQL statement: IWP_MMB_Comment::get_comments() calls extract() on $args (which silently skips keys that are not valid PHP variable names) but a second foreach($args as $checkbox => $checkbox_val) processes every key, strips the 'iwp_get_comments_' prefix with str_replace(), wraps the remainder in single quotes, and imploded it into an IN(...) clause that is executed via $wpdb->get_results() with no prepare(). Because the request body is read from php://input and JSON-decoded, wp_magic_quotes() never touches the data, so quote characters in keys pass through unaltered. This makes it possible for authenticated attackers, with administrator-level access and above (an administrator can register their own public key via add_site using the plugin's WP-admin-generated activation_key and then issue signed get_comments requests), to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.46% probability · 40th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-89
- Source
- security@wordfence.com
EPSS 0.5% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://plugins.trac.wordpress.org/browser/iwp-client/tags/1.13.6/addons/comments/comments.class.php#L57
- https://plugins.trac.wordpress.org/browser/iwp-client/tags/1.13.6/addons/comments/comments.class.php#L71
- https://plugins.trac.wordpress.org/browser/iwp-client/tags/1.13.6/addons/comments/comments.class.php#L80
- https://plugins.trac.wordpress.org/browser/iwp-client/tags/1.13.6/init.php#L131
- https://plugins.trac.wordpress.org/browser/iwp-client/tags/1.13.6/init.php#L1651
- https://plugins.trac.wordpress.org/changeset?reponame=&old=3655042%40iwp-client&new=3655042%40iwp-client
- https://www.wordfence.com/threat-intel/vulnerabilities/id/05c50442-570b-45cf-816a-c7a5b712ba21?source=cve
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.