CVE-2011-4090 Cross-site scripting in serendipity
Cross-site scripting in the karma plugin allows attackers to escalate privileges within the Serendipity blog application.
- 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-2011-4090?
CVE-2011-4090 is a medium-severity cross-site scripting vulnerability in S9y Serendipity, published on 26 Nov 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
Serendipity before 1.6 has an XSS issue in the karma plugin which may allow privilege escalation.
Weakness: CWE-79
Which versions are affected by CVE-2011-4090?
It affects 1 product.
Products include S9y Serendipity.
How do I fix CVE-2011-4090?
No fix has been published for CVE-2011-4090 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-2011-4090 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2011-4090 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in S9y Serendipity
Sources
Also known as CVE-2011-4365, CVE-2011-4366, GHSA-q53h-rp87-x968.