CVE-2023-5903 Cross-site Scripting (XSS) - Stored in pkp/pkp-lib

Low 2.7 Published 1 Nov 2023 Updated 27 Feb 2025

Stored Cross-Site Scripting in pkp-lib allows attackers to inject malicious scripts, potentially compromising user sessions and data.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-5903?

CVE-2023-5903 is a low-severity cross-site scripting vulnerability in pkp/pkp-lib, published on 1 Nov 2023. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Cross-site Scripting (XSS) - Stored in GitHub repository pkp/pkp-lib prior to 3.3.0-16.

Weakness: CWE-79

Which versions are affected by CVE-2023-5903?

It affects 1 product.

Products include Sfu Pkp Web Application Library.

How do I fix CVE-2023-5903?

No fix has been published for CVE-2023-5903 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-2023-5903 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-5903 exists.

Sources

Also known as GHSA-86g4-v35q-p7r3.