CVE-2020-18259 Cross-site scripting in n/a

Medium 6.1 Published 3 Nov 2021 Updated 4 Aug 2024

Attackers can execute arbitrary scripts in ED01-CMS via crafted payloads in post fields, potentially leading to session hijacking or data theft.

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-2020-18259?

CVE-2020-18259 is a medium-severity cross-site scripting vulnerability in n/a, published on 3 Nov 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

ED01-CMS v1.0 was discovered to contain a reflective cross-site scripting (XSS) vulnerability in the component sposts.php. This vulnerability allows attackers to execute arbitrary web scripts or HTML via a crafted payload inserted into the Post title or Post content fields.

Weakness: CWE-79

Which versions are affected by CVE-2020-18259?

It affects 1 product.

Products include Ed01-Cms Project Ed01-Cms.

How do I fix CVE-2020-18259?

No fix has been published for CVE-2020-18259 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-2020-18259 being exploited?

There is no known exploitation of CVE-2020-18259 in the wild and no public exploit code.

Sources

Also known as GHSA-cc75-w3jh-52vx.