CVE-2021-32852 countly-server vulnerable to Cross-site Scripting

Medium 5.4 Published Updated

An attacker with an account can execute scripts in victims' browsers via malicious links, potentially leading to session hijacking or data theft.

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-2021-32852?

CVE-2021-32852 is a medium-severity cross-site scripting vulnerability in countly-server, published on 20 Feb 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Countly, a product analytics solution, is vulnerable to cross-site scripting prior to version 21.11 of the community edition. The victim must follow a malicious link or be redirected there from malicious web site. The attacker must have an account or be able to create one. This issue is patched in version 21.11.

Weakness: CWE-79

Which versions are affected by CVE-2021-32852?

It affects 1 product.

Products include Count Countly Server.

How do I fix CVE-2021-32852?

No fix has been published for CVE-2021-32852 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-2021-32852 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-32852 exists.

Sources

Also known as GHSA-7pfv-9vwr-6hpx.

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