CVE-2019-15501 Cross-site scripting in n/a

Medium 6.1 Published 26 Aug 2019 Updated 5 Aug 2024

Attackers can execute arbitrary scripts in victim browsers via reflected XSS in L-Soft LISTSERV, 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-2019-15501?

CVE-2019-15501 is a medium-severity cross-site scripting vulnerability in n/a, published on 26 Aug 2019. 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

Reflected cross site scripting (XSS) in L-Soft LISTSERV before 16.5-2018a exists via the /scripts/wa.exe OK parameter.

Weakness: CWE-79

Which versions are affected by CVE-2019-15501?

It affects 1 product.

Products include Lsoft Listserv.

How do I fix CVE-2019-15501?

No fix has been published for CVE-2019-15501 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-2019-15501 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-15501 exists.

Public exploit code: 1 Exploit-DB entry and 1 Nuclei template.

Sources

Also known as GHSA-67ph-jjgq-8hr7.