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TrueBooker CVE-2026-13161

| EUVDEUVD-2026-49722 HIGH
SQL Injection (CWE-89)
2026-07-28 security@wordfence.com GHSA-xm72-j57q-p3m6
7.5
CVSS 3.1 · Vendor: wordfence
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Severity by source

Vendor (wordfence) PRIMARY
7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
vuln.today AI
7.5 HIGH

Network attack, no privileges or user interaction required, scope unchanged, only confidentiality affected, consistent with description.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (wordfence).

CVSS VectorVendor: wordfence

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

2
Analysis Generated
Jul 28, 2026 - 09:30 vuln.today
CVE Published
Jul 28, 2026 - 09:16 nvd
HIGH 7.5

DescriptionCVE.org

The TrueBooker - Appointment Booking and Scheduler System plugin for WordPress is vulnerable to generic SQL Injection via the 'alldata[truebooker_user]' parameter in all versions up to, and including, 1.2.2 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database. The check_ajax_referer() nonce guard does not constitute an authentication or authorization barrier because the nonce is exposed to unauthenticated visitors on TrueBooker front-end booking pages; exploitation additionally requires that the required booking fields (category, service, person, date, and time slot) be present in the alldata POST parameter so that execution reaches the vulnerable SQL query branch.

AnalysisAI

Unauthenticated SQL injection in the TrueBooker WordPress plugin allows remote attackers to extract sensitive database information. The vulnerability resides in the 'alldata[truebooker_user]' parameter and affects versions up to and including 1.2.2. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Retrieve nonce from public booking page
Delivery
Craft POST request with SQL payload in alldata[truebooker_user] and required booking fields
Exploit
Send request to admin-ajax.php
Execution
Unsanitized SQL query executes
Impact
Extract sensitive information from the database

Vulnerability AssessmentAI

Exploitation Exploitation requires that the attacker submits a POST request with the 'alldata[truebooker_user]' parameter set to an SQL injection payload and the mandatory booking fields (category, service, person, date, time slot) present in the alldata array, so that execution reaches the vulnerable SQL branch. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment CVSS 3.1 base score 7.5 (High) with a network attack vector, low complexity, no privileges required, and no user interaction, leading to high confidentiality impact only. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker extracts the nonce from a public TrueBooker booking page, then sends a crafted POST request to wp-admin/admin-ajax.php containing the 'alldata[truebooker_user]' parameter with an SQL injection payload and all required booking fields (category, service, person, date, time slot). The vulnerable code constructs an unsafe SQL query, allowing the attacker to retrieve sensitive database contents such as user credentials or configuration data.
Remediation Upgrade the TrueBooker plugin to a version newer than 1.2.2. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-13161 vulnerability details – vuln.today

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