CVE-2025-30342

An XSS issue was discovered in OpenSlides before 4.2.5. When submitting descriptions such as Moderator Notes or Agenda Topics, an editor is shown that allows one to format the submitted text. This allows insertion of various HTML elements. When trying to insert a SCRIPT element, it is properly...

CVE-2025-30344

An issue was discovered in OpenSlides before 4.2.5. During login at the /system/auth/login/ endpoint, the system's response times differ depending on whether a user exists in the system. The timing discrepancy stems from the omitted hashing of the password e.g., more than 100 milliseconds...

CVE-2025-30342

An XSS issue was discovered in OpenSlides before 4.2.5. When submitting descriptions such as Moderator Notes or Agenda Topics, an editor is shown that allows one to format the submitted text. This allows insertion of various HTML elements. When trying to insert a SCRIPT element, it is properly...

CVE-2025-30343: Path Traversal: '../filedir'

A directory traversal issue was discovered in OpenSlides before 4.2.5. Files can be uploaded to OpenSlides meetings and organized in folders. The interface allows users to download a ZIP archive that contains all files in a folder and its subfolders. If an attacker specifies the title of a file o...

CVE-2025-30345: Improper Encoding or Escaping of Output

An issue was discovered in OpenSlides before 4.2.5. When creating new chats via the chatgroup.create action, the user is able to specify the name of the chat. Some HTML elements such as SCRIPT are filtered, whereas others are not. In most cases, HTML entities are encoded properly, but not when...

CVE-2025-30343

A directory traversal issue was discovered in OpenSlides before 4.2.5. Files can be uploaded to OpenSlides meetings and organized in folders. The interface allows users to download a ZIP archive that contains all files in a folder and its subfolders. If an attacker specifies the title of a file o...

CVE-2025-30343

A directory traversal issue was discovered in OpenSlides before 4.2.5. Files can be uploaded to OpenSlides meetings and organized in folders. The interface allows users to download a ZIP archive that contains all files in a folder and its subfolders. If an attacker specifies the title of a file o...

CVE-2024-22893

OpenSlides 4.0.15 verifies passwords by comparing password hashes using a function with content-dependent runtime. This can allow attackers to obtain information about the password hash using a timing attack...

PYSEC-2024-290

OpenSlides 4.0.15 verifies passwords by comparing password hashes using a function with content-dependent runtime. This can allow attackers to obtain information about the password hash using a timing attack...

PYSEC-2024-290

OpenSlides 4.0.15 verifies passwords by comparing password hashes using a function with content-dependent runtime. This can allow attackers to obtain information about the password hash using a timing attack...

CVE-2024-22892

OpenSlides 4.0.15 was discovered to be using a weak hashing algorithm to store passwords...

CVE-2024-22892

OpenSlides 4.0.15 was discovered to be using a weak hashing algorithm to store passwords...

CVE-2024-22893

OpenSlides 4.0.15 verifies passwords by comparing password hashes using a function with content-dependent runtime. This can allow attackers to obtain information about the password hash using a timing attack...

PYSEC-2024-99

OpenSlides 4.0.15 was discovered to be using a weak hashing algorithm to store passwords...

PYSEC-2024-99

OpenSlides 4.0.15 was discovered to be using a weak hashing algorithm to store passwords...

CVE-2024-22892

OpenSlides 4.0.15 was discovered to be using a weak hashing algorithm to store passwords...

CVE-2024-22893

The OpenSlides assembly system, specifically version 4.0.15 , is vulnerable to a timing attack during password verification. The root cause is the use of a function with content-dependent runtime to compare password hashes, which allows an attacker to obtain information about the hashes by measur...

CVE-2024-22893

OpenSlides 4.0.15 verifies passwords by comparing password hashes using a function with content-dependent runtime. This can allow attackers to obtain information about the password hash using a timing attack...

CVE-2024-22892

OpenSlides 4.0.15 was discovered to be using a weak hashing algorithm to store passwords...

CVE-2024-22893: Improper Privilege Management

OpenSlides 4.0.15 verifies passwords by comparing password hashes using a function with content-dependent runtime. This can allow attackers to obtain information about the password hash using a timing attack...