Yeswiki

SQL injection vulnerability in the "Bazar" page in Yeswiki Cercopitheque 2018-06-19-1 and earlier allows attackers to execute arbitrary SQL commands via the "id" parameter.

YesWiki version <= cercopitheque beta 1 contains a PHP Object Injection vulnerability in Unserialising user entered parameter in i18n.inc.php that can result in execution of code, disclosure of information.

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…

YesWiki is a wiki system written in PHP. Prior to version 4.6.4, an unauthenticated SQL injection in the Bazar form-import path (`FormManager::create()`) allows any unauthenticated visitor of a default YesWiki install to inject arbitrary SQL into an `INSERT` statement and read…

YesWiki is a wiki system written in PHP. Prior to version 4.6.6, an unsafe execution vulnerability exists in the Bazar form field calculator (CalcField.php) of YesWiki. The application attempts to sanitize user-defined mathematical formulas using a complex recursive regular…

YesWiki is a wiki system written in PHP. Prior to version 4.5.4, YesWiki vulnerable to remote code execution. An arbitrary file write can be used to write a file with a PHP extension, which then can be browsed to in order to execute arbitrary code on the server, resulting in a…

YesWiki is a wiki system written in PHP. Prior to 4.4.5, the use of a weak cryptographic algorithm and a hard-coded salt to hash the password reset key allows it to be recovered and used to reset the password of any account. This issue is fixed in 4.4.5.

## Details ### Sink `tools/bazar/services/CSVManager.php` line 372-399: ``` public function importEntry(array $importedEntries, string $formId): ?array { if (!$this->importdone) { // ... foreach ($importedEntries as $entry) { $entry =…

### Summary The `{{erasespamedcomments}}` wiki action (`actions/EraseSpamedCommentsAction.php`) accepts a `suppr[]` array from `POST` and deletes every wiki page whose tag appears in that array, with no authorization check anywhere in the action body or in the page-deletion…

YesWiki is a wiki system written in PHP. The squelette parameter is vulnerable to path traversal attacks, enabling read access to arbitrary files on the server. This vulnerability is fixed in 4.5.2.

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…

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…

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…

An SQL Injection vlnerability exits in Yeswiki doryphore 20211012 via the email parameter in the registration form.

YesWiki is a wiki system written in PHP. Prior to version 4.6.0, a stored and blind XSS vulnerability exists in the form title field. A malicious attacker can inject JavaScript without any authentication via a form title that is saved in the backend database. When any user…

Cross Site Scripting vulnerability in YesWiki v.4.54 allows a remote attacker to execute arbitrary code via a crafted payload to the meta configuration robots field

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…

## Summary YesWiki through the latest development branch contains a SQL injection vulnerability in `ReactionManager::deleteUserReaction()` that allows any authenticated user to inject arbitrary SQL via the `{idreaction}` and `{id}` URL path parameters. The parameters are…

## Summary `ApiController::deletePage()` interpolates a page tag retrieved from the database into a `DELETE FROM …_links WHERE to_tag = '$tag'` query without escaping. The page tag is attacker-controlled — the `POST /api/pages/{tag}` API accepts arbitrary URL-encoded values,…

### Summary YesWiki’s public Bazar entry-listing APIs are vulnerable to unauthenticated SQL injection in numeric `query` / `queries` filters. For Bazar fields whose value structure is numeric, YesWiki escapes the attacker-controlled filter value but inserts it into SQL…

## Summary The `POST /api/forms/{formId}/actor/inbox` route - exposed publicly with `acl:"public"` - accepts an HTTP `Signature` header whose `keyId` parameter is a URL. `HttpSignatureService::verifySignature()` parses the header and **immediately makes a server-side HTTP GET**…

## Summary `HttpSignatureService::verifySignature()` checks the result of PHP's `openssl_verify()` with a **loose boolean negation** - `if (!openssl_verify(...)) { throw ... }`. PHP's `openssl_verify` has four possible return values: | return | meaning …

### Summary YesWiki Bazar contains a stored Server-Side Template Injection (`SSTI`) vulnerability in the semantic template feature that can be escalated to confirmed Remote Code Execution (`RCE`). An authenticated administrator can place arbitrary Twig expressions into the…

YesWiki is a wiki system written in PHP. Prior to version 4.5.4, a stored cross-site scripting (XSS) vulnerability was discovered in the application’s comments feature. This issue allows a malicious actor to inject JavaScript payloads that are stored and later executed in the…

YesWiki is a wiki system written in PHP. Prior to version 4.5.4, the `/?BazaR` endpoint and `idformulaire` parameter are vulnerable to cross-site scripting. An attacker can use a reflected cross-site scripting attack to steal cookies from an authenticated user by having them…

YesWiki is a wiki system written in PHP. Prior to version 4.5.4, an attacker can use a reflected cross-site scripting attack to steal cookies from an authenticated user by having them click on a malicious link. Stolen cookies allow the attacker to take over the user’s session.…

### Summary YesWiki's Bazar widget handler reflects the `id` `GET` parameter into HTML attributes using `strip_tags()` only. Because `strip_tags()` does not escape double quotes, an attacker can break out of the attribute value, inject an event handler such as `onmouseover`, and…

### Summary YesWiki's archived-revision view reflects the `time` `GET` parameter into a hidden HTML input in `handlers/page/show.php` without escaping. Because MySQL coerces malformed `DATETIME` strings, an attacker can append HTML or JavaScript to a valid archived revision…

# Bazar form-field templates still apply `|raw('html')` to `field.label` / `field.hint` in attribute and label-body contexts — stored XSS in form renders (sibling class of commit `e6b66aa`) **CWE**: CWE-79 (Improper Neutralization of Input During Web Page Generation,…

### Summary The `recentchanges` action (`actions/recentchanges.php`) accepts a `period` argument from two disjoint parameter spaces: the URL query string (`$_GET['period']`) and the action invocation `{{recentchanges period="..."}}`. A whitelist at line 17 validates only the…

YesWiki is a wiki system written in PHP. Prior to version 4.5.4, an attacker can use a reflected cross-site scripting attack to steal cookies from an authenticated user by having them click on a malicious link. Stolen cookies allow the attacker to take over the user’s session.…