CVE-2018-15596 Cross-site scripting in n/a
Attackers can inject malicious scripts via unsanitized thread titles in RSS feeds, potentially leading to session hijacking or code execution.
- 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-2018-15596?
CVE-2018-15596 is a medium-severity cross-site scripting vulnerability in Mybb Mybb, published on 28 Aug 2018. 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
An issue was discovered in inc/class_feedgeneration.php in MyBB 1.8.17. On the forum RSS Syndication page, one can generate a URL such as http://localhost/syndication.php?fid=&type=atom1.0&limit=15. The thread titles (within title elements of the generated XML documents) aren't sanitized, leading to XSS.
Weakness: CWE-79
Which versions are affected by CVE-2018-15596?
It affects 1 product.
Products include Mybb Mybb.
How do I fix CVE-2018-15596?
No fix has been published for CVE-2018-15596 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-2018-15596 being exploited?
There is no known exploitation of CVE-2018-15596 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Mybb Mybb
Sources
Also known as GHSA-m5q2-3g9r-qm3p.