CVE-2026-13010: JoomSport WordPress SQL Injection Vulnerability – Patch & Detection Guide

Technical summary

CVE-2026-13010 is a time-based SQL injection vulnerability in the JoomSport WordPress plugin affecting versions through 5.7.9. The 'event' shortcode attribute fails to properly escape user-supplied input and does not use parameterized SQL queries, allowing attackers to inject arbitrary SQL into database operations. The vulnerability is restricted to authenticated users with contributor role or higher—a common WordPress permission level. The injection occurs within shortcode processing, making the attack vector convenient for users with post-creation privileges. Time-based detection indicates the backend is executing injected queries sequentially, enabling data exfiltration through conditional delays.

Business impact

Organizations running JoomSport-dependent WordPress sites face confidentiality breaches affecting customer records, authentication credentials, configuration secrets, and any data stored in the WordPress database. Because contributor-level access is widely granted to content editors and team members, the pool of potential attackers is larger than typical database vulnerabilities. A compromised contributor account—or an insider—can silently extract sensitive information without leaving obvious traces in application logs. Breach scope depends on database privileges and what non-public data the site stores.

Affected systems

The JoomSport plugin for WordPress in all versions up to and including 5.7.9 is vulnerable. Affected organizations are typically sports clubs, leagues, event management platforms, and media sites using JoomSport for team and league management. Any WordPress installation with JoomSport active and users holding contributor role or above is at risk. The vulnerability does not require administrative access, making it viable in multi-author WordPress environments.

Exploitability

Exploitation requires valid WordPress authentication and at least contributor-level permissions—a common, often-underutilized role in shared WordPress sites. No network access barrier exists (AV:N); the attacker can craft malicious posts or pages from any internet-connected location. The attack is deterministic and does not depend on user interaction or race conditions (AC:L, UI:N). Time-based SQL injection is reliably exploitable via standard tools and techniques. Insider threats and compromised contributor accounts represent the primary exploitation pathways. The vulnerability is not currently tracked in the CISA Known Exploited Vulnerabilities catalog.

Remediation

Upgrade JoomSport to a patched version released after 5.7.9. Verify the patch version in the vendor advisory to confirm the fix addresses SQL injection in the event shortcode. Pending updates, restrict contributor-level WordPress roles to trusted personnel only and audit existing contributors for anomalous post activity. Consider using WordPress security plugins that log shortcode usage or monitor database queries for injected SQL patterns. In high-risk environments, temporarily disable the JoomSport plugin until patches are verified and deployed.

Patch guidance

Check the JoomSport plugin repository and vendor advisory for version 5.7.10 or later that addresses this SQL injection. Apply patches immediately to all WordPress instances running vulnerable versions. Test patches in a non-production environment to ensure compatibility with custom configurations or dependent functionality. After patching, verify the plugin loads correctly and shortcodes render as expected. Document the patch version applied for compliance and audit records.

Detection guidance

Monitor WordPress database queries for SQL injection patterns, particularly those injecting UNION, SELECT, or SLEEP/BENCHMARK commands into shortcode processing. Examine website access logs and WordPress post-revision history for suspicious contributor edits involving the JoomSport event shortcode, especially outside normal working hours. Database activity monitoring should flag unusually long query execution times or time-based delays that suggest data exfiltration. Review contributor account permissions and audit logins for accounts with unexplained access or impossible geographic/timing patterns. WordPress security plugins with query anomaly detection can help identify exploitation attempts in real time.

Why prioritize this

This vulnerability merits prompt attention due to its confidentiality impact (C:H) and the relatively permissive authorization requirement (authenticated users, not admins only). The CVSS 6.5 MEDIUM score reflects the need for prior authentication but underscores meaningful data-exposure risk. Organizations storing personal data, financial records, or authentication tokens in WordPress should prioritize patching. Sports league and event management sites often hold participant contact information, schedule details, and payment records—making confidentiality breaches materially harmful. The attack surface is broad in multi-author WordPress environments where contributor roles are common.

Risk score, explained

The CVSS 3.1 score of 6.5 (MEDIUM) reflects a high confidentiality impact (C:H) but requires authentication (PR:L) and does not enable data alteration or availability disruption. The score does not account for organizational context—for instance, sites storing highly sensitive data or with many contributors should treat this as higher priority. The lack of KEV or ransomware association does not minimize the data-exposure threat; confidentiality breaches are a serious business and legal liability even without active exploitation in the wild.

Frequently asked questions