Supsystic Smart Popup by Supsystic Plugin up to 1.13.2 on WordPress sidx sql injection

Summaryinfo

A vulnerability has been found in Supsystic Smart Popup by Supsystic Plugin up to 1.13.2 and classified as problematic. Impacted is an unknown function. The manipulation of the argument sidx leads to sql injection. This vulnerability is traded as CVE-2026-104023. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Supsystic Smart Popup by Supsystic Plugin up to 1.13.2. It has been rated as problematic. This issue affects an unknown part. The manipulation of the argument sidx with an unknown input leads to a sql injection vulnerability. Using CWE to declare the problem leads to CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The Smart Popup by Supsystic plugin for WordPress is vulnerable to generic SQL Injection via the 'sidx' parameter in all versions up to, and including, 1.13.2 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with administrator-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

The advisory is shared at wordfence.com. The identification of this vulnerability is CVE-2026-104023 since 10/01/2026. The exploitation is known to be easy. The attack may be initiated remotely. Additional levels of successful authentication are needed for exploitation. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/10/2026). MITRE ATT&CK project uses the attack technique T1505 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• WordPress Plugin

Vendor

• Supsystic

Name

• Smart Popup by Supsystic Plugin

Version

• 1.13.0
• 1.13.1
• 1.13.2

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion