CVE-2017-17703 Cross-site scripting in n/a

Medium 6.1 Published 4 Feb 2018 Updated 5 Aug 2024

Persistent XSS in Zimbra Collaboration Suite allows attackers to inject scripts, potentially leading to account takeover 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-2017-17703?

CVE-2017-17703 is a medium-severity cross-site scripting vulnerability in Synacor Zimbra Collaboration Suite, published on 4 Feb 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

Synacor Zimbra Collaboration Suite (ZCS) before 8.8.3 has Persistent XSS.

Weakness: CWE-79

Which versions are affected by CVE-2017-17703?

It affects 1 product.

Products include Synacor Zimbra Collaboration Suite.

How do I fix CVE-2017-17703?

No fix has been published for CVE-2017-17703 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-2017-17703 being exploited?

There is no known exploitation of CVE-2017-17703 in the wild and no public exploit code.

All Synacor Zimbra Collaboration Suite vulnerabilities

Sources

Also known as GHSA-wc8g-xp26-8f55.