CVE-2022-45540 Cross-site scripting in n/a

Q: Is CVE-2022-45540 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-45540 exists.

Q: How do I fix CVE-2022-45540?

No fix has been published for CVE-2022-45540 yet. Limit exposure of the affected software until one is available.

Medium 6.1 Published 20 Jan 2023 Updated 3 Apr 2025

Attackers can execute arbitrary scripts in victim browsers via a reflected XSS vulnerability in the EyouCMS article editor.

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-2022-45540?

CVE-2022-45540 is a medium-severity cross-site scripting vulnerability in Eyoucms Eyoucms, published on 20 Jan 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

EyouCMS <= 1.6.0 was discovered a reflected-XSS in article type editor component in POST value "name" if the value contains a malformed UTF-8 char.

Weakness: CWE-79

Which versions are affected by CVE-2022-45540?

It affects 1 product.

Products include Eyoucms Eyoucms.

How do I fix CVE-2022-45540?

No fix has been published for CVE-2022-45540 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-2022-45540 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-45540 exists.

All Eyoucms Eyoucms vulnerabilities

Sources

Also known as GHSA-qpx8-h8xr-mrq5.