CVE-2021-2116 Cross-site scripting in Application Express (APEX)
Low-privileged attackers can exploit cross-site scripting in Oracle APEX Opportunity Tracker to read and modify data via HTTP.
- 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-2021-2116?
CVE-2021-2116 is a medium-severity cross-site scripting vulnerability in Oracle Corporation Application Express (APEX), published on 20 Jan 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Vulnerability in the Oracle Application Express Opportunity Tracker component of Oracle Database Server. The supported version that is affected is Prior to 20.2. Easily exploitable vulnerability allows low privileged attacker having Valid User Account privilege with network access via HTTP to compromise Oracle Application Express Opportunity Tracker. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Application Express Opportunity Tracker, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Application Express Opportunity Tracker accessible data as well as unauthorized read access to a subset of Oracle Application Express Opportunity Tracker accessible data. CVSS 3.1 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N).
Which versions are affected by CVE-2021-2116?
It affects 1 product.
Products include Oracle Application Express Opportunity Tracker.
How do I fix CVE-2021-2116?
No fix has been published for CVE-2021-2116 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-2021-2116 being exploited?
There is no known exploitation of CVE-2021-2116 in the wild and no public exploit code.
Sources
Also known as GHSA-452p-5pj4-w36g.