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-2025-46347 YesWiki Remote Code Execution via Arbitrary PHP File Write and Execution

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 full compromise of...

CVE-2025-46347

CVE-2025-46347 YesWiki is a remote code execution vulnerability in YesWiki up to version 4.5.3 (patched in 4.5.4). The issue allows an arbitrary file write and execution when a PHP file is created via a user-writable directory, enabling an attacker to browse the PHP file and run code on the serve...

CVE-2025-46347 YesWiki Remote Code Execution via Arbitrary PHP File Write and Execution

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 full compromise of...

CVE-2025-46347 YesWiki Remote Code Execution via Arbitrary PHP File Write and Execution

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 full compromise of...

CVE-2025-46346

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 browser of any user...

CVE-2025-46346 YesWiki Vulnerable to Stored XSS in Comments

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 browser of any user...

CVE-2025-46346 YesWiki Vulnerable to Stored XSS in Comments

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 browser of any user...

CVE-2025-46346

YesWiki (PHP) prior to version 4.5.4 is affected by a stored XSS vulnerability in the comments feature. The issue arises because user input is not fully sanitized/encoded, allowing obfuscated payloads such as /* JavaScriptPayload */ to bypass filters and execute in the browser of users viewing af...

CVE-2025-46346 YesWiki Vulnerable to Stored XSS in Comments

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 browser of any user...

YesWiki Stored XSS Vulnerability in Comments

Summary 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 browser of any user viewing the affected comment. The XSS occurs because the...

Improper Encoding or Escaping of Output

Overview Affected versions of this package are vulnerable to Improper Encoding or Escaping of Output through the addCustomCSSPreset method in the ApiController.php file. An attacker can execute arbitrary code on the server by modifying the file extension to .php and injecting PHP code into the fi...

YesWiki Remote Code Execution via Arbitrary PHP File Write and Execution

Summary 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. All testing was performed on a local docker setup running the latest version of the application. PoC Proof of Concept Navigate to...

Missing Authorization

Overview Affected versions of this package are vulnerable to Missing Authorization through the archives API endpoint. Site backups can be initiated and subsequently downloaded without any authentication. Since these archives are generated with easily guessable filenames, an unauthenticated attack...

GHSA-2F8P-QQX2-GWR2 YesWiki Vulnerable to Unauthenticated Reflected Cross-site Scripting

Summary Reflected XSS has been detected in the file upload form. Vulnerability can be exploited without authentication This Proof of Concept has been performed using the followings: - YesWiki v4.5.3 doryphore-dev branch - Docker environnment docker/docker-compose.yml Vulnerable code The...

YesWiki Vulnerable to Unauthenticated Reflected Cross-site Scripting

Summary Reflected XSS has been detected in the file upload form. Vulnerability can be exploited without authentication This Proof of Concept has been performed using the followings: - YesWiki v4.5.3 doryphore-dev branch - Docker environnment docker/docker-compose.yml Vulnerable code The...

Yeswiki Vulnerable to Authenticated Reflected Cross-site Scripting

Summary Vulnerable Version: Yeswiki alert1 Details Reflected Cross-Site Scripting XSS attacks are a type of injection, in which malicious scripts are injected into otherwise benign and trusted websites. XSS attacks occur when an attacker uses a web application to send malicious code, generally in...

GHSA-GGQX-43H2-55JP Yeswiki Vulnerable to Unauthenticated Reflected Cross-site Scripting

Summary Vulnerable Version: Yeswiki alert1 Details Reflected Cross-Site Scripting XSS attacks are a type of injection, in which malicious scripts are injected into otherwise benign and trusted websites. XSS attacks occur when an attacker uses a web application to send malicious code, generally in...

Yeswiki Vulnerable to Unauthenticated Reflected Cross-site Scripting

Summary Vulnerable Version: Yeswiki alert1 Details Reflected Cross-Site Scripting XSS attacks are a type of injection, in which malicious scripts are injected into otherwise benign and trusted websites. XSS attacks occur when an attacker uses a web application to send malicious code, generally in...

GHSA-R9GV-QFFM-XW6F Yeswiki Vulnerable to Unauthenticated Reflected Cross-site Scripting

Summary Vulnerable Version: Yeswiki alert1 Details Reflected Cross-Site Scripting XSS attacks are a type of injection, in which malicious scripts are injected into otherwise benign and trusted websites. XSS attacks occur when an attacker uses a web application to send malicious code, generally in...