CVE-2018-0687 Cross-site scripting in Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlier)

Medium 6.1 Published 15 Nov 2018 Updated 5 Aug 2024

Remote attackers can inject arbitrary web script or HTML into Denbun mail server, potentially leading to session hijacking or malicious actions.

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-2018-0687?

CVE-2018-0687 is a medium-severity cross-site scripting vulnerability in Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlier), published on 15 Nov 2018. 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

Cross-site scripting vulnerability in Denbun by NEOJAPAN Inc. (Denbun POP version V3.3P R4.0 and earlier, Denbun IMAP version V3.3I R4.0 and earlier) allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Weakness: CWE-79

Which versions are affected by CVE-2018-0687?

It affects 2 products.

Products include Neo Debun Imap, Neo Debun Pop.

How do I fix CVE-2018-0687?

No fix has been published for CVE-2018-0687 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-2018-0687 being exploited?

There is no known exploitation of CVE-2018-0687 in the wild and no public exploit code.

Sources

Also known as GHSA-5vjg-85px-h6px.