YesWiki Bazar Widget - Reflected XSS via 'id' Parameter

YesWiki's Bazar widget handler reflects the id GET parameter into HTML attributes using striptags only. striptags does not escape double quotes, allowing an attacker to break out of the data-formid attribute and inject arbitrary event handlers. id: CVE-2026-52774 info: name: YesWiki Bazar Widget ...

CVE-2026-52774

YesWiki (a PHP wiki system) is vulnerable to reflected XSS (CWE-79) in its Bazar widget handler prior to version 4.6.6. The id GET parameter is reflected into the data-formid and data-iframeUrl HTML attributes using only strip_tags(), which does not escape double quotes. An unauthenticated attack...

CVE-2026-52774 Reflected XSS via Unescaped `id` Parameter in Bazar Widget HTML Attributes in YesWiki

YesWiki is a wiki system written in PHP. Prior to version 4.6.6, YesWiki's Bazar widget handler reflects the id GET parameter into HTML attributes using striptags only. Because striptags does not escape double quotes, an attacker can break out of the attribute value, inject an event handler such ...

YesWiki Vulnerable to Reflected XSS via Unescaped `id` Parameter in Bazar Widget HTML Attributes

Summary YesWiki's Bazar widget handler reflects the id GET parameter into HTML attributes using striptags only. Because striptags does not escape double quotes, an attacker can break out of the attribute value, inject an event handler such as onmouseover, and execute arbitrary JavaScript in the...

GHSA-R5XW-GCGW-HWP5 YesWiki Vulnerable to Reflected XSS via Unescaped `id` Parameter in Bazar Widget HTML Attributes

Summary YesWiki's Bazar widget handler reflects the id GET parameter into HTML attributes using striptags only. Because striptags does not escape double quotes, an attacker can break out of the attribute value, inject an event handler such as onmouseover, and execute arbitrary JavaScript in the...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via improper handling of the id parameter in the Bazar widget handler. An attacker can execute arbitrary JavaScript in the victim's browser by crafting a malicious URL that injects attacker-controlled attributes...

PT-2026-57034

Name of the Vulnerable Software and Affected Versions YesWiki version 4.6.5 Description An issue exists in the Bazar widget handler where the id GET parameter is reflected into HTML attributes using only the strip tags function. Since strip tags does not escape double quotes, an unauthenticated...