CVE-2018-17884 Cross-site scripting in n/a

Medium 6.1 Published Updated

Cross-site scripting vulnerability in Gwolle Guestbook plugin allows attackers to inject scripts via PATH_INFO, potentially leading to session hijacking or code execution.

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-2018-17884?

CVE-2018-17884 is a medium-severity cross-site scripting vulnerability in n/a, published on 2 Oct 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

XSS exists in admin/gb-dashboard-widget.php in the Gwolle Guestbook (gwolle-gb) plugin before 2.5.4 for WordPress via the PATH_INFO to wp-admin/index.php

Weakness: CWE-79

Which versions are affected by CVE-2018-17884?

It affects 1 product.

Products include Gwolle Guestbook Project Gwolle Guestbook.

How do I fix CVE-2018-17884?

No fix has been published for CVE-2018-17884 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-2018-17884 being exploited?

There is no known exploitation of CVE-2018-17884 in the wild and no public exploit code.

Sources

Also known as GHSA-mwpv-5q87-w5qr.

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