CVE-2021-4282 FreePBX voicemail page.voicemail.php cross site scripting
Remote attackers can execute arbitrary scripts in the FreePBX voicemail interface, potentially compromising user sessions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-4282?
CVE-2021-4282 is a low-severity cross-site scripting vulnerability in FreePBX voicemail, published on 27 Dec 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
A vulnerability was found in FreePBX voicemail. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the file page.voicemail.php. The manipulation leads to cross site scripting. The attack can be launched remotely. Upgrading to version 14.0.6.25 is able to address this issue. The name of the patch is 12e1469ef9208eda9d8955206e78345949236ee6. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-216871.
Weakness: CWE-79
Which versions are affected by CVE-2021-4282?
It affects 1 product.
Products include Sangoma Voicemail.
How do I fix CVE-2021-4282?
No fix has been published for CVE-2021-4282 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-2021-4282 being exploited?
There is no known exploitation of CVE-2021-4282 in the wild and no public exploit code.
Other vulnerabilities in FreePBX voicemail
Sources
Also known as GHSA-gcm3-4rwm-4xx9.