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CVE-2026-13119— Registrations for the Events Calendar <= 3.2 - Authenticated (Contributor+) SQL Injection via 'standard' Parameter

Quick assessment

Affected
roundupwp Registrations for the Events Calendar – Event Registration Plugin
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 Registrations for the Events Calendar – Event Registration Plugin是WordPress基金会的一款活动日历注册插件。 WordPress Registrations for the Events Calendar – Event Registration Plugin 3.2及之前版本存在SQL注入漏洞，该漏洞源于rtec_records_edit AJAX动作处理JSON键时存在SQL注入风险，可能导致经身份验证的攻击者

CVSS 6.5 · Medium EPSS 0.25% · P17

Affected Version Matrix 1

VendorProduct Version RangeStatus
roundupwp Registrations for the Events Calendar – Event Registration Plugin ≤ 3.2 affected
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I. Basic Information for CVE-2026-13119

Vulnerability Information
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Vulnerability Title
Registrations for the Events Calendar <= 3.2 - Authenticated (Contributor+) SQL Injection via 'standard' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The Registrations For The Events Calendar plugin for WordPress is vulnerable to SQL Injection via JSON keys in the 'standard' parameter handled by the rtec_records_edit AJAX action in versions up to and including 3.2. The handler decodes attacker-controlled JSON from $_POST['standard'] and uses the JSON array keys directly as column identifiers in the SET clause of an UPDATE statement built inside RTEC_Db_Admin::update_entry(). Only esc_sql() (mysqli_real_escape_string) is applied to the identifier; that function escapes quotes, backslashes, and a few control characters but does not escape spaces, equals signs, parentheses, or hyphens, so an attacker can break out of the identifier context and inject subqueries (terminated with a SQL comment). This makes it possible for authenticated attackers, with Contributor-level access and above who can edit the targeted event, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/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 Registrations for the Events Calendar – Event Registration Plugin SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Registrations for the Events Calendar – Event Registration Plugin是WordPress基金会的一款活动日历注册插件。 WordPress Registrations for the Events Calendar – Event Registration Plugin 3.2及之前版本存在SQL注入漏洞，该漏洞源于rtec_records_edit AJAX动作处理JSON键时存在SQL注入风险，可能导致经身份验证的攻击者
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
roundupwp Registrations for the Events Calendar – Event Registration Plugin 0 ~ 3.2 -

II. Public POCs for CVE-2026-13119

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III. Intelligence Information for CVE-2026-13119

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Patches & Fixes for CVE-2026-13119 (2)

Vendor Advisories for CVE-2026-13119 (1)

IV. Related Vulnerabilities

Same product: Registrations for the Events Calendar – Event Registration Plugin
Same weakness: CWE-89

V. Comments for CVE-2026-13119

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