CVE-2023-50933 IBM PowerSC HTML injection

Medium 6.1 Published 2 Feb 2024 Updated 3 Jun 2025

Remote attackers can inject malicious HTML into IBM PowerSC, leading to script execution in victims' browsers within the site's security context.

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-2023-50933?

CVE-2023-50933 is a medium-severity cross-site scripting vulnerability in IBM PowerSC, published on 2 Feb 2024. 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

IBM PowerSC 1.3, 2.0, and 2.1 is vulnerable to HTML injection. A remote attacker could inject malicious HTML code, which when viewed, would be executed in the victim's Web browser within the security context of the hosting site. IBM X-Force ID: 275113.

Weakness: CWE-79, CWE-80

Which versions are affected by CVE-2023-50933?

It affects 1 product.

Products include Ibm Powersc.

How do I fix CVE-2023-50933?

No fix has been published for CVE-2023-50933 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-2023-50933 being exploited?

There is no known exploitation of CVE-2023-50933 in the wild and no public exploit code.

Sources

Also known as GHSA-jxrx-5cg2-pj56.