CVE-2011-5257 Cross-site scripting in n/a
Remote attackers can inject arbitrary web script or HTML via Twitter and Facebook widget parameters in the Classipress WordPress theme.
- 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-2011-5257?
CVE-2011-5257 is a medium-severity cross-site scripting vulnerability in n/a, published on 12 Feb 2013. 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
Multiple cross-site scripting (XSS) vulnerabilities in the Classipress theme before 3.1.5 for WordPress allow remote attackers to inject arbitrary web script or HTML via the (1) twitter_id parameter related to the Twitter widget and (2) facebook_id parameter related to the Facebook widget.
Weakness: CWE-79
Which versions are affected by CVE-2011-5257?
It affects 1 product.
Products include Appthemes Classipress.
How do I fix CVE-2011-5257?
No fix has been published for CVE-2011-5257 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-2011-5257 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2011-5257 exists.
Public exploit code: 1 Exploit-DB entry.
Sources
Also known as GHSA-643q-98g3-qq46.