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CVE-2026-18881— TableOn <= 1.0.5.1 - Unauthenticated Blind SQL Injection via 'comment_count' Filter Parameter

Quick assessment

Affected
realmag777 TableOn – WordPress Posts Table Filterable
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress TableOn是WordPress基金会开源的一款内容管理系统表格组件。 WordPress TableOn 1.0.5.1及之前版本存在SQL注入漏洞，该漏洞源于 参数处理不当，用户输入转义不足且SQL查询准备不充分，值被冒号分割后直接插入 SQL子句，可能导致未经验证的攻击者通过 AJAX操作追加SQL查询，从而提取数据库中的敏感信息。

CVSS 7.5 · High EPSS 0.51% · P41

Affected Version Matrix 1

VendorProduct Version RangeStatus
realmag777 TableOn – WordPress Posts Table Filterable ≤ 1.0.5.1 affected
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I. Basic Information for CVE-2026-18881

Vulnerability Information
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Vulnerability Title
TableOn <= 1.0.5.1 - Unauthenticated Blind SQL Injection via 'comment_count' Filter Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
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: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress TableOn SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress TableOn是WordPress基金会开源的一款内容管理系统表格组件。 WordPress TableOn 1.0.5.1及之前版本存在SQL注入漏洞，该漏洞源于`filter_data[comment_count]`参数处理不当，用户输入转义不足且SQL查询准备不充分，值被冒号分割后直接插入`posts_where` SQL子句，可能导致未经验证的攻击者通过`tableon_get_table_data` AJAX操作追加SQL查询，从而提取数据库中的敏感信息。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
realmag777 TableOn – WordPress Posts Table Filterable 0 ~ 1.0.5.1 -

II. Public POCs for CVE-2026-18881

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III. Intelligence Information for CVE-2026-18881

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Patches & Fixes for CVE-2026-18881 (1)

Vendor Advisories for CVE-2026-18881 (1)

IV. Related Vulnerabilities

Same product: TableOn – WordPress Posts Table Filterable
Same vendor: realmag777
Same weakness: CWE-89

V. Comments for CVE-2026-18881

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