CVE-2011-3858 Cross-site scripting in n/a

Medium 4.3 Published Updated

Remote attackers can inject arbitrary web script or HTML via the s parameter in the Pixiv Custom theme, potentially stealing user data or hijacking sessions.

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-2011-3858?

CVE-2011-3858 is a medium-severity cross-site scripting vulnerability in n/a, published on 28 Sep 2011. 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

Cross-site scripting (XSS) vulnerability in the Pixiv Custom theme before 2.1.6 for WordPress allows remote attackers to inject arbitrary web script or HTML via the s parameter.

Weakness: CWE-79

Which versions are affected by CVE-2011-3858?

It affects 1 product.

Products include Zespia Pixiv Custom.

How do I fix CVE-2011-3858?

No fix has been published for CVE-2011-3858 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-2011-3858 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2011-3858 exists.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-r6wx-xhhc-v6cw.

Is CVE-2011-3858 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free