CVE-2021-38323 RentPress <= 6.6.4 Reflected Cross-Site Scripting

Q: What is CVE-2021-38323?

CVE-2021-38323 is a medium-severity cross-site scripting vulnerability in RentPress, published on 9 Sep 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Q: Is CVE-2021-38323 being exploited?

There is no known exploitation of CVE-2021-38323 in the wild and no public exploit code.

Q: How do I fix CVE-2021-38323?

No fix has been published for CVE-2021-38323 yet. Limit exposure of the affected software until one is available.

Medium 6.1 Published 9 Sep 2021 Updated 5 May 2025

Attackers can inject arbitrary web scripts via the selections parameter in the RentPress WordPress plugin, potentially compromising user sessions.

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-2021-38323?

CVE-2021-38323 is a medium-severity cross-site scripting vulnerability in RentPress, published on 9 Sep 2021. 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

The RentPress WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the selections parameter found in the ~/src/rentPress/AjaxRequests.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 6.6.4.

Weakness: CWE-79

Which versions are affected by CVE-2021-38323?

It affects 1 product.

Products include 30lines Rentpress.

How do I fix CVE-2021-38323?

No fix has been published for CVE-2021-38323 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-2021-38323 being exploited?