CVE-2020-35741 HGiga MailSherlock - XSS -2

High 7.0 Published 31 Dec 2020 Updated 16 Sep 2024

Attackers can inject JavaScript into login pages of HGiga MailSherlock, potentially stealing user sessions or executing malicious code.

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-2020-35741?

CVE-2020-35741 is a high-severity cross-site scripting vulnerability in HGiga MailSherlock MSR45/SSR45, published on 31 Dec 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

HGiga MailSherlock does not validate user parameters on multiple login pages. Attackers can use the vulnerability to inject JavaScript syntax for XSS attacks.

Weakness: CWE-79

Which versions are affected by CVE-2020-35741?

It affects 4 products.

Products include Hgiga Msr45 Isherlock-Antispam, Hgiga Msr45 Isherlock-User, Hgiga Ssr45 Isherlock-Antispam, Hgiga Ssr45 Isherlock-User.

How do I fix CVE-2020-35741?

No fix has been published for CVE-2020-35741 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-2020-35741 being exploited?

There is no known exploitation of CVE-2020-35741 in the wild and no public exploit code.

Sources

Also known as GHSA-6w7j-r535-gc2c.