CVE-2017-20248 WordPress Plugin Apptha Slider Gallery 1.0 Path Traversal File Download
Unauthenticated attackers can download arbitrary files from the server by manipulating the imgname parameter in the Apptha Slider Gallery WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-20248?
CVE-2017-20248 is a high-severity path traversal vulnerability in Apptha Slider Gallery, published on 9 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Apptha Slider Gallery 1.0 contains a path traversal vulnerability that allows unauthenticated attackers to download arbitrary files by manipulating the imgname parameter. Attackers can send requests to asgallDownload.php with directory traversal sequences ../ to access sensitive files outside the intended directory.
Weakness: CWE-22
Which versions are affected by CVE-2017-20248?
How do I fix CVE-2017-20248?
No fix has been published for CVE-2017-20248 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2017-20248 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-20248 exists.
Sources
Also known as GHSA-4c9c-6hj9-gqpq.