CVE-2017-8760 Cross-site scripting in n/a
Attackers can bypass internal WAF filters to execute cross-site scripting attacks on Accellion FTA devices via the auth_params parameter.
- 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-2017-8760?
CVE-2017-8760 is a medium-severity cross-site scripting vulnerability in n/a, published on 5 May 2017. 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
An issue was discovered on Accellion FTA devices before FTA_9_12_180. There is XSS in courier/1000@/index.html with the auth_params parameter. The device tries to use internal WAF filters to stop specific XSS Vulnerabilities. However, these can be bypassed by using some modifications to the payloads, e.g., URL encoding.
Weakness: CWE-79
Which versions are affected by CVE-2017-8760?
It affects 1 product.
Products include Accellion File Transfer Appliance.
How do I fix CVE-2017-8760?
No fix has been published for CVE-2017-8760 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-2017-8760 being exploited?
There is no known exploitation of CVE-2017-8760 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in n/a
- CVE-2017-8794 Server-side request forgery in n/a
- CVE-2019-5622 Accellion File Transfer Appliance Use of Hard-coded Credentials
- CVE-2019-5623 Accellion File Transfer Appliance Improper Neutralization of Special Elements used in a Command ('Command Injection')
- CVE-2015-2857 Command injection in n/a
- CVE-2017-8303 Command injection in n/a
Sources
Also known as GHSA-w5wv-wm67-g67m.