CVE-2021-30071 Cross-site scripting in n/a
Attackers can execute arbitrary scripts in HestiaCP admin interface via XSS, potentially leading to session hijacking or control panel compromise.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-30071?
CVE-2021-30071 is a medium-severity cross-site scripting vulnerability in n/a, published on 18 Aug 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-79
Which versions are affected by CVE-2021-30071?
It affects 1 product.
Products include Hestiacp Control Panel.
How do I fix CVE-2021-30071?
No fix has been published for CVE-2021-30071 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2021-30071 being exploited?
There is no known exploitation of CVE-2021-30071 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2022-2550 OS Command Injection in hestiacp/hestiacp
- CVE-2022-1509 Command Injection Vulnerability in hestiacp/hestiacp
- CVE-2022-2626 Incorrect Privilege Assignment in hestiacp/hestiacp
- CVE-2023-5839 Privilege Chaining in hestiacp/hestiacp
- CVE-2025-30007 HestiaCP < 1.9.5 Authenticated OS Command Injection via DNS Record Management
Sources
Also known as GHSA-37wh-7cxc-w7x5.