CVE-2021-39339 Telefication <= 1.8.0 Open Proxy and Server-Side Request Forgery
An attacker can exploit an open proxy and SSRF vulnerability in the Telefication WordPress plugin to make arbitrary server-side requests.
- 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-2021-39339?
CVE-2021-39339 is a medium-severity server-side request forgery vulnerability in Telefication, published on 22 Sep 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Telefication WordPress plugin is vulnerable to Open Proxy and Server-Side Request Forgery via the ~/bypass.php file due to a user-supplied URL request value that gets called by a curl requests. This affects versions up to, and including, 1.8.0.
Weakness: CWE-918
Which versions are affected by CVE-2021-39339?
It affects 1 product.
Products include Telefication Telefication.
How do I fix CVE-2021-39339?
No fix has been published for CVE-2021-39339 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2021-39339 being exploited?
There is no known exploitation of CVE-2021-39339 in the wild and no public exploit code.
Sources
Also known as GHSA-mjjq-h87j-hqxx.