CVE-2026-15458 cleverplugins CVE debrief

Who should care

Administrators and users with administrator-level access and above who have installed the SEO Booster plugin for WordPress should be aware of this vulnerability and take immediate action to mitigate the risk. This includes reviewing and updating the plugin to a version that addresses this vulnerability, restricting access to the plugin's settings and functionality, and monitoring database activity for suspicious queries.

Technical summary

The SEO Booster plugin for WordPress is vulnerable to generic SQL Injection via the 'sort_field' parameter in all versions up to, and including, 7.3.1. This vulnerability exists due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. An authenticated attacker with administrator-level access and above can exploit this vulnerability to append additional SQL queries into already existing queries, potentially leading to the extraction of sensitive information from the database.

Defensive priority

High

Recommended defensive actions

• Update the SEO Booster plugin to a version that addresses this vulnerability.
• Restrict access to the plugin's settings and functionality to only trusted users.
• Monitor database activity for suspicious queries.
• Implement additional security measures, such as web application firewalls, to detect and prevent SQL injection attacks.
• Review compensating controls for exposed systems while remediation is scheduled and verified.
• Check relevant monitoring, detection, and logs for exposed assets that need extra review.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.

Evidence notes

The CVE record was published on 2026-07-16T05:16:18.747Z and has not been modified since then. The NVD entry is currently 4.9 MEDIUM. The vulnerability was reported by [email protected]. The SEO Booster plugin for WordPress is vulnerable to generic SQL Injection via the 'sort_field' parameter in all versions up to, and including, 7.3.1 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This vulnerability exists in the wild and defenders should verify the presence of affected product deployments in their environments.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.