CVE-2019-14770 Cross-site scripting in n/a
An attacker with menu creation permissions can inject JavaScript into admin menu links, leading to code execution or account takeover when an admin uses search.
- 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-2019-14770?
CVE-2019-14770 is a medium-severity cross-site scripting vulnerability in n/a, published on 8 Aug 2019. 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
In Backdrop CMS 1.12.x before 1.12.8 and 1.13.x before 1.13.3, some menu links within the administration bar may be crafted to execute JavaScript when the administrator is logged in and uses the search functionality. (This issue is mitigated by the attacker needing permissions to create administrative menu links, such as by creating a content type or layout. Such permissions are usually restricted to trusted or administrative users.)
Weakness: CWE-79
Which versions are affected by CVE-2019-14770?
It affects 1 product.
Products include Backdropcms Backdrop Core.
How do I fix CVE-2019-14770?
No fix has been published for CVE-2019-14770 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-2019-14770 being exploited?
There is no known exploitation of CVE-2019-14770 in the wild and no public exploit code.
Sources
Also known as GHSA-74wv-hmc4-5xxg.