CVE-2026-52772

YesWiki is a wiki system written in PHP. Prior to version 4.6.6, Bazar form-field templates still apply |raw'html' to field.label / field.hint in attribute and label-body contexts, resulting stored XSS in form renders. This issue has been patched in version 4.6.6...

CVE-2026-52771 YesWiki: Second-Order SQL Injection in Page Delete API via Unescaped Page Tag (`ApiController::deletePage`)

YesWiki is a wiki system written in PHP. From version 4.2.0 to before version 4.6.6, ApiController::deletePage interpolates a page tag retrieved from the database into a DELETE FROM …links WHERE totag = '$tag' query without escaping. The page tag is attacker-controlled — the POST /api/pages/tag A...

CVE-2025-46348 YesWiki Vulnerable to Unauthenticated Site Backup Creation and Download

YesWiki is a wiki system written in PHP. Prior to version 4.5.4, the request to commence a site backup can be performed and downloaded without authentication. The archives are created with a predictable filename, so a malicious user could create and download an archive without being authenticated...

CVE-2025-46349 YesWiki Vulnerable to Unauthenticated Reflected Cross-site Scripting

YesWiki is a wiki system written in PHP. Prior to version 4.5.4, YesWiki is vulnerable to reflected XSS in the file upload form. This vulnerability allows any malicious unauthenticated user to create a link that can be clicked on by the victim to perform arbitrary actions. This issue has been...

CVE-2025-24019

YesWiki is a wiki system written in PHP. In versions up to and including 4.4.5, it is possible for any authenticated user, through the use of the filemanager to delete any file owned by the user running the FastCGI Process Manager FPM on the host without any limitation on the filesystem's scope...

CVE-2025-24018

YesWiki is a wiki system written in PHP. In versions up to and including 4.4.5, it is possible for an authenticated user with rights to edit/create a page or comment to trigger a stored XSS which will be reflected on any page where the resource is loaded. The vulnerability makes use of the conten...

CVE-2025-24017 YesWiki Vulnerable to Unauthenticated DOM Based XSS

YesWiki is a wiki system written in PHP. Versions up to and including 4.4.5 are vulnerable to any end-user crafting a DOM based XSS on all of YesWiki's pages which is triggered when a user clicks on a malicious link. The vulnerability makes use of the search by tag feature. When a tag doesn't...

CVE-2025-24017

YesWiki DOM-based XSS (CVE-2025-24017) affects YesWiki up to version 4.4.5. The vulnerability stems from insufficient sanitization in the tag-search workflow: when a user-provided tag is reflected on pages, it can inject client-side script, enabling an attacker to craft a malicious link that trig...