CVE-2020-27509 Cross-site scripting in n/a
Attackers can hijack user accounts by injecting persistent XSS payloads into email subject fields, which execute upon recipient login.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-27509?
CVE-2020-27509 is a medium-severity cross-site scripting vulnerability in n/a, published on 26 Jun 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Persistent XSS in Galaxkey Secure Mail Client in Galaxkey up to 5.6.11.5 allows an attacker to perform an account takeover by intercepting the HTTP Post request when sending an email and injecting a specially crafted XSS payload in the 'subject' field. The payload executes when the recipient logs into their mailbox.
Weakness: CWE-79
Which versions are affected by CVE-2020-27509?
It affects 1 product.
Products include Galaxkey Galaxkey.
How do I fix CVE-2020-27509?
No fix has been published for CVE-2020-27509 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-2020-27509 being exploited?
There is no known exploitation of CVE-2020-27509 in the wild and no public exploit code.
Sources
Also known as GHSA-7g3q-7795-xgcj.