CVE-2020-12718 Cross-site scripting in n/a
Authenticated attackers can execute arbitrary scripts via stored XSS in the comment preview feature, potentially leading to session hijacking or site defacement.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-12718?
CVE-2020-12718 is a medium-severity cross-site scripting vulnerability in n/a, published on 7 May 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
In administration/comments.php in PHP-Fusion 9.03.50, an authenticated attacker can take advantage of a stored XSS vulnerability in the Preview Comment feature. The protection mechanism can be bypassed by using HTML event handlers such as ontoggle.
Weakness: CWE-79
Which versions are affected by CVE-2020-12718?
It affects 1 product.
Products include Php-Fusion Php-Fusion.
How do I fix CVE-2020-12718?
No fix has been published for CVE-2020-12718 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-2020-12718 being exploited?
There is no known exploitation of CVE-2020-12718 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-r9gg-v7f9-vwcg.