CVE-2019-13948 Cross-site scripting in n/a
Stored XSS in SyGuestBook allows attackers to inject malicious scripts via crafted IMG elements, potentially leading to session hijacking or code execution.
- 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-2019-13948?
CVE-2019-13948 is a medium-severity cross-site scripting vulnerability in n/a, published on 18 Jul 2019. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
SyGuestBook A5 Version 1.2 allows stored XSS because the isValidData function in include/functions.php does not properly block XSS payloads, as demonstrated by a crafted use of the onerror attribute of an IMG element.
Weakness: CWE-79
Which versions are affected by CVE-2019-13948?
It affects 1 product.
Products include Syguestbook A5 Project Syguestbook A5.
How do I fix CVE-2019-13948?
No fix has been published for CVE-2019-13948 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-2019-13948 being exploited?
There is no known exploitation of CVE-2019-13948 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-j52j-79w7-7mgp.