CVE-2018-21155 Cross-site scripting in n/a
Stored XSS in NETGEAR routers allows attackers to inject scripts, potentially leading to session hijacking or malicious actions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2018-21155?
CVE-2018-21155 is a medium-severity cross-site scripting vulnerability in Netgear D7800 Firmware, published on 27 Apr 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Certain NETGEAR devices are affected by stored XSS. This affects D7800 before 1.0.1.34, DM200 before 1.0.0.52, R6100 before 1.0.1.22, R7500 before 1.0.0.122, R7500v2 before 1.0.3.26, R7800 before 1.0.2.42, R8900 before 1.0.4.2, R9000 before 1.0.3.16, WNDR4300 before 1.0.2.98, WNDR4300v2 before 1.0.0.54, WNDR4500v3 before 1.0.0.54, and WNR2000v5 before 1.0.0.64.
Weakness: CWE-79
Which versions are affected by CVE-2018-21155?
It affects 10 products.
Products include Netgear D7800 Firmware, Netgear Dm200 Firmware, Netgear R6100 Firmware, Netgear R7500 Firmware, Netgear R7800 Firmware, Netgear R8900 Firmware and 4 more.
How do I fix CVE-2018-21155?
No fix has been published for CVE-2018-21155 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-2018-21155 being exploited?
There is no known exploitation of CVE-2018-21155 in the wild and no public exploit code.
Other vulnerabilities in Netgear D7800 Firmware
Sources
Also known as GHSA-r64x-jr44-wh33.