PatchTheCVE: etherpad

CVE-2021-43802: Etherpad is a real-time collaborative editor

Wed, 17 Jun 2026 04:11:28 +0000

CRITICAL 9.9: Etherpad is a real-time collaborative editor. In versions prior to 1.8.16, an attacker can craft an `*.etherpad` file that, when imported, might allow the attacker to gain admin privileges for the Etherpad instance. This, in turn, can be used to install a malicious Etherpad plugin that can execute a

CVE-2021-34816: An Argument Injection issue in the plugin management of Etherpad 1.8.13 allows privileged users to execute arb

Wed, 17 Jun 2026 03:56:37 +0000

HIGH 7.2: An Argument Injection issue in the plugin management of Etherpad 1.8.13 allows privileged users to execute arbitrary code on the server by installing plugins from an attacker-controlled source.

CVE-2021-34817: A Cross-Site Scripting (XSS) issue in the chat component of Etherpad 1.8.13 allows remote attackers to inject

Wed, 17 Jun 2026 03:56:37 +0000

MEDIUM 6.1: A Cross-Site Scripting (XSS) issue in the chat component of Etherpad 1.8.13 allows remote attackers to inject arbitrary JavaScript or HTML by importing a crafted pad.

CVE-2020-22785: Etherpad < 1.8.3 is affected by a missing lock check which could cause a denial of service

Wed, 17 Jun 2026 03:04:22 +0000

HIGH 7.5: Etherpad < 1.8.3 is affected by a missing lock check which could cause a denial of service. Aggressively targeting random pad import endpoints with empty data would flatten all pads due to lack of rate limiting and missing ownership check.

CVE-2020-22783: Etherpad <1.8.3 stored passwords used by users insecurely in the database and in log files

Wed, 17 Jun 2026 03:04:22 +0000

MEDIUM 6.5: Etherpad <1.8.3 stored passwords used by users insecurely in the database and in log files. This affects every database backend supported by Etherpad.

CVE-2020-22782: Etherpad < 1.8.3 is affected by a denial of service in the import functionality

Wed, 17 Jun 2026 03:04:22 +0000

HIGH 7.5: Etherpad < 1.8.3 is affected by a denial of service in the import functionality. Upload of binary file to the import endpoint would crash the instance.

CVE-2020-22781: In Etherpad < 1.8.3, a specially crafted URI would raise an unhandled exception in the cache mechanism and cau

Wed, 17 Jun 2026 03:04:22 +0000

HIGH 7.5: In Etherpad < 1.8.3, a specially crafted URI would raise an unhandled exception in the cache mechanism and cause a denial of service (crash the instance).