What’s Vulnerable › Vulnerabilities

CVE-2021-34816

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-07-21 · updated 2026-06-17
• Weakness: CWE-88

Description

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.

Affected products

• etherpad-lite: 1.8.13

References

• https://blog.sonarsource.com/etherpad-code-execution-vulnerabilities
• https://github.com/ether/etherpad-lite/releases
• https://blog.sonarsource.com/etherpad-code-execution-vulnerabilities
• https://github.com/ether/etherpad-lite/releases

Get alerted when CVE-2021-34816 or the next vulnerability affects your stack