CVE-2023-0549 YAFNET Private Message PostPrivateMessage cross site scripting
Attackers can inject malicious scripts via private message fields in YAFNET, potentially executing code in victim browsers.
- 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-2023-0549?
CVE-2023-0549 is a low-severity cross-site scripting vulnerability in YAFNET, published on 27 Jan 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
A vulnerability, which was classified as problematic, has been found in YAFNET up to 3.1.10. This issue affects some unknown processing of the file /forum/PostPrivateMessage of the component Private Message Handler. The manipulation of the argument subject/message leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 3.1.11 is able to address this issue. The identifier of the patch is 2237a9d552e258a43570bb478a92a5505e7c8797. It is recommended to upgrade the affected component. The identifier VDB-219665 was assigned to this vulnerability.
Weakness: CWE-79
Which versions are affected by CVE-2023-0549?
It affects 1 product.
Products include Yetanotherforum Yaf.net.
How do I fix CVE-2023-0549?
No fix has been published for CVE-2023-0549 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-2023-0549 being exploited?
There is no known exploitation of CVE-2023-0549 in the wild and no public exploit code.
Other vulnerabilities in YAFNET
Sources
Also known as GHSA-4hwx-678w-9cp5, GHSA-x86c-f9fh-89cx.