CVE-2017-5673 Cross-site scripting in n/a
Cross-site scripting vulnerability in Kunena extension allows attackers to inject JavaScript via forum message subjects, potentially leading to session hijacking or malicious actions.
- 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-2017-5673?
CVE-2017-5673 is a medium-severity cross-site scripting vulnerability in n/a, published on 22 Mar 2017. 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
In the Kunena extension 5.0.2 through 5.0.4 for Joomla!, the forum message subject (aka topic subject) accepts JavaScript, leading to XSS. Six files are affected: crypsis/layouts/message/item/default.php, crypsis/layouts/message/item/top/default.php, crypsis/layouts/message/item/bottom/default.php, crypsisb3/layouts/message/item/default.php, crypsisb3/layouts/message/item/top/default.php, and crypsisb3/layouts/message/item/bottom/default.php. This is fixed in 5.0.5.
Weakness: CWE-79
Which versions are affected by CVE-2017-5673?
It affects 1 product.
Products include Kunena Kunena.
How do I fix CVE-2017-5673?
No fix has been published for CVE-2017-5673 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-2017-5673 being exploited?
There is no known exploitation of CVE-2017-5673 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-ff32-69mc-6jwx.