A cross-site scripting (XSS) vulnerability in /admin/list_key.html of HestiaCP before v1.3.5 allows attackers to execute arbitrary web scri…

published 2022-08-18 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-17015

cvss: 6.1; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 49%
public exploits: 0; none known

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.

Patch / fix

fixed in 1 links 1

hestiacp control_panel 1.3.5

github.com/hestiacp/hestiacp@706314c commit

Exploit prediction

0.60% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

github.com /hestiacp/hestiacp/commit/706314c12872c7607e96a73dfc77dbbddad2875e
patch, third-party-advisory

Sources

CVE List CVE-2021-30071
NVD CVE-2021-30071

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary