CVE-2022-1503 GetSimple CMS Content Module edit.php cross site scripting

Low 3.5 Published 27 Apr 2022 Updated 15 Apr 2025

Authenticated attackers can inject malicious scripts into GetSimple CMS content fields, potentially executing code in victim browsers.

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-2022-1503?

CVE-2022-1503 is a low-severity cross-site scripting vulnerability in GetSimple CMS, published on 27 Apr 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, which was classified as problematic, has been found in GetSimple CMS. Affected by this issue is the file /admin/edit.php of the Content Module. The manipulation of the argument post-content with an input like <script>alert(1)</script> leads to cross site scripting. The attack may be launched remotely but requires authentication. Expoit details have been disclosed within the advisory.

Weakness: CWE-79

Which versions are affected by CVE-2022-1503?

It affects 1 product.

Products include Get-Simple Getsimple Cms.

How do I fix CVE-2022-1503?

No fix has been published for CVE-2022-1503 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-2022-1503 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-1503 exists.

Sources

Also known as GHSA-284m-6732-qrhg.