CVE-2021-30071

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-08-18 · updated 2026-06-17
Weakness: CWE-79

Description

A cross-site scripting (XSS) vulnerability in /admin/list_key.html of HestiaCP before v1.3.5 allows attackers to execute arbitrary web scripts or HTML via a crafted payload.

Affected products

hestiacp Control Panel: before 1.3.5 — fixed in 1.3.5

How to fix

Upgrade to a fixed version: hestiacp Control Panel 1.3.5. Check the vendor advisory for mitigations.

References

https://github.com/hestiacp/hestiacp/commit/706314c12872c7607e96a73dfc77dbbddad2875e
https://github.com/hestiacp/hestiacp/commit/706314c12872c7607e96a73dfc77dbbddad2875e

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