CVE-2020-25343 Cross-site scripting in n/a
Remote attackers can inject arbitrary web script or HTML into Symphony CMS via the body parameter, potentially compromising user sessions.
- 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-2020-25343?
CVE-2020-25343 is a medium-severity cross-site scripting vulnerability in n/a, published on 7 Oct 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
Cross-site scripting (XSS) vulnerabilities in Symphony CMS 3.0.0 allow remote attackers to inject arbitrary web script or HTML to fields['body'] param via events\event.publish_article.php
Weakness: CWE-79
Which versions are affected by CVE-2020-25343?
It affects 1 product.
Products include Getsymphony Symphony.
How do I fix CVE-2020-25343?
No fix has been published for CVE-2020-25343 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-2020-25343 being exploited?
There is no known exploitation of CVE-2020-25343 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-g2mq-cq8h-hvg9.