CVE-2020-6872 Cross-site scripting in <R5300G4?R8500G4?R5500G4>
Attackers can inject malicious scripts via the login page, leading to script execution in user browsers on ZTE routers.
- 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-2020-6872?
CVE-2020-6872 is a medium-severity cross-site scripting vulnerability in <R5300G4?R8500G4?R5500G4>, published on 20 Jul 2020. 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
The server management software module of ZTE has a storage XSS vulnerability. The attacker inserts some attack codes through the foreground login page, which will cause the user to execute the predefined malicious script in the browser. This affects <R5300G4V03.08.0100/V03.07.0300/V03.07.0200/V03.07.0108/V03.07.0100/V03.05.0047/V03.05.0046/V03.05.0045/V03.05.0044/V03.05.0043/V03.05.0040/V03.04.0020;R8500G4V03.07.0103/V03.07.0101/V03.06.0100/V03.05.0400/V03.05.0020;R5500G4V03.08.0100/V03.07.0200/V03.07.0100/V03.06.0100>.
Weakness: CWE-79
Which versions are affected by CVE-2020-6872?
It affects 3 products.
Products include Zte R5300g4 Firmware, Zte R5500g4 Firmware, Zte R8500g4 Firmware.
How do I fix CVE-2020-6872?
No fix has been published for CVE-2020-6872 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-2020-6872 being exploited?
There is no known exploitation of CVE-2020-6872 in the wild and no public exploit code.
Other vulnerabilities in <R5300G4?R8500G4?R5500G4>
Sources
Also known as GHSA-gqf3-7r7j-gmrf.