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CVE-2026-18881 high CVSS 7.5

SQL Injection in TableOn – WordPress Posts Table Filterable (WordPress plugin) (CVE-2026-18881)

Summary

SQL injection in TableOn – WordPress Posts Table Filterable (WordPress plugin) (CVE-2026-18881). Confidential information can be exposed externally. Exploitable via tableon_get_table_data.

Original description

The description as published by the source.

The TableOn – WordPress Posts Table Filterable plugin for WordPress is vulnerable to blind SQL Injection via the filter_data[comment_count] parameter of the public tableon_get_table_data AJAX action in all versions up to, and including, 1.0.5.1. This is due to insufficient escaping on the user-supplied parameter and lack of sufficient preparation on the existing SQL query — the value is split on : and both halves are interpolated directly into a posts_where SQL clause without intval() casting or $wpdb->prepare(). This makes it possible for unauthenticated attackers to append additional SQL queries into the already-existing query that can be used to extract sensitive information from the database (researcher demonstrated extraction of database(), wp_users.user_login, and wp_users.user_pass).

Source: NIST National Vulnerability Database NVD GitHub Advisory

Auto-generated summary

Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.

A vulnerability tracked as CVE-2026-18881 has been found in TableOn – WordPress Posts Table Filterable (WordPress plugin).
Attackers can target a specific entry point like tableon_get_table_data over the network to misuse the product.
Confidential information can be exposed externally. CVSS score: 7.5/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "TableOn – WordPress Posts Table Filterable (WordPress plugin) CVE-2026-18881" on the vendor's site.

CVE-2026-18881 (TableOn – WordPress Posts Table Filterable (WordPress plugin)) — CWE-89 / CVSS v3 7.5
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Attack surface: tableon_get_table_data / posts_where
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.

❓ What is the problem

SQL injection (CWE-89) exists in TableOn – WordPress Posts Table Filterable (WordPress plugin). Attackers reach the vulnerable code path via tableon_get_table_data without authentication.

📍 Affected scope

Check the vendor advisory for the affected versions of TableOn – WordPress Posts Table Filterable (WordPress plugin). Attack surface: tableon_get_table_data / posts_where.

🔥 Severity

Severity: High (CVSS 7.5/10). Confidential information can be exposed externally.

🔧 How to fix

Update to the patched release per vendor advisory.

🛡️ Workaround

Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.

🔍 Detection

Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.

Response actions

Concrete steps and command examples for SOC/SRE teams to execute in order

  1. 1
    Identify exposure identify 
    Audit SBOM/dependencies for affected components.

    資産台帳・SBOM・依存マニフェストで TableOn – WordPress Posts Table Filterable (WordPress plugin) を使っているサービスとバージョンを洗い出す。

  2. 2
    Post-deployment verification verify 
    Confirm patched version is live in production

    パッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。

References

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