CVE-2018-18668 Cross-site scripting in n/a
Remote attackers can inject arbitrary web script or HTML via the homepage title parameter in GNUBOARD5, potentially compromising user sessions.
- 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-2018-18668?
CVE-2018-18668 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
GNUBOARD5 before 5.3.2.0 has XSS that allows remote attackers to inject arbitrary web script or HTML via the "homepage title" parameter, aka the adm/config_form_update.php cf_title parameter.
Weakness: CWE-79
Which versions are affected by CVE-2018-18668?
It affects 1 product.
Products include Sir Gnuboard.
How do I fix CVE-2018-18668?
No fix has been published for CVE-2018-18668 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-2018-18668 being exploited?
There is no known exploitation of CVE-2018-18668 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-h6h2-69w9-639g.