YesWiki up to 4.6.x/5.0.0-alpha3 Bazar prepareSearchRequest searchfields sql injection

Summaryinfo

A vulnerability was found in YesWiki up to 4.6.x/5.0.0-alpha3. It has been rated as critical. This issue affects the function SearchManager::prepareSearchRequest of the component Bazar. This manipulation of the argument searchfields causes sql injection. This vulnerability is registered as CVE-2026-116207. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in YesWiki up to 4.6.x/5.0.0-alpha3. It has been declared as critical. Affected by this vulnerability is the function SearchManager::prepareSearchRequest of the component Bazar. The manipulation of the argument searchfields with an unknown input leads to a sql injection vulnerability. The CWE definition for the vulnerability is CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

YesWiki 4.6.0 before 4.7.0 and 5.0.0-alpha1 before 5.0.0-alpha4 contains an unauthenticated SQL injection vulnerability in SearchManager::prepareSearchRequest(). Field names from the query and searchfields parameters of the public Bazar entries search API are placed in a backtick-quoted alias escaped only with mysqli_real_escape_string. Attackers can supply a backtick to inject subqueries, reading data such as user password hashes or exhausting database threads with SLEEP().

The advisory is shared at github.com. This vulnerability is known as CVE-2026-116207 since 10/25/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/25/2026). MITRE ATT&CK project uses the attack technique T1505 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Content Management System

Name

• YesWiki

Version

• 4.0
• 4.1
• 4.2
• 4.3
• 4.4
• 4.5
• 4.6
• 5.0.0-alpha3

Website

• Product: https://github.com/YesWiki/yeswiki/

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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