CVE-2021-35377 Cross-site scripting in n/a

Medium 6.1 Published 6 Mar 2023 Updated 9 Jul 2026

Attackers can execute arbitrary code via XSS in VICIdial web interface parameters, potentially compromising user accounts and system integrity.

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-2021-35377?

CVE-2021-35377 is a medium-severity cross-site scripting vulnerability in n/a, published on 6 Mar 2023. 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

Cross Site Scripting vulnerability found in VICIdial v2.14-610c and v.2.10-415c allows attackers execute arbitrary code via the /agc/vicidial.php, agc/vicidial-greay.php, and /vicidial/KHOMP_admin.php parameters.

Weakness: CWE-79

Which versions are affected by CVE-2021-35377?

It affects 1 product.

Products include Vicidial Vicidial.

How do I fix CVE-2021-35377?

No fix has been published for CVE-2021-35377 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-2021-35377 being exploited?

There is no known exploitation of CVE-2021-35377 in the wild and no public exploit code.

Sources

Also known as GHSA-c4jp-6pqw-rc97.