CVE-2023-1106 Cross-site Scripting (XSS) - Reflected in flatpressblog/flatpress

Medium 5.3 Published 2 Mar 2023 Updated 7 Mar 2025

Attackers can execute arbitrary scripts in victims' browsers via reflected XSS in FlatPress, 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: Not needed
Fix: None listed

What is CVE-2023-1106?

CVE-2023-1106 is a medium-severity cross-site scripting vulnerability in flatpressblog/flatpress, published on 2 Mar 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Cross-site Scripting (XSS) - Reflected in GitHub repository flatpressblog/flatpress prior to 1.3.

Weakness: CWE-79

Which versions are affected by CVE-2023-1106?

It affects 1 product.

Products include Flatpress Flatpress.

How do I fix CVE-2023-1106?

No fix has been published for CVE-2023-1106 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-2023-1106 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-1106 exists.

Sources

Also known as GHSA-r774-qpmp-3xv2.