CVE-2020-8242 SQL injection in ExpressionEngine
An authenticated attacker with member creation privileges can execute SQL injection attacks via unsanitized input in the control panel.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-8242?
CVE-2020-8242 is a high-severity SQL injection vulnerability in ExpressionEngine, published on 18 Feb 2022. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Unsanitized user input in ExpressionEngine <= 5.4.0 control panel member creation leads to an SQL injection. The user needs member creation/admin control panel access to execute the attack.
Weakness: CWE-89
Which versions are affected by CVE-2020-8242?
It affects 1 product.
Products include Expressionengine Expressionengine.
How do I fix CVE-2020-8242?
No fix has been published for CVE-2020-8242 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2020-8242 being exploited?
There is no known exploitation of CVE-2020-8242 in the wild and no public exploit code.
Other vulnerabilities in ExpressionEngine
Sources
Also known as GHSA-jxgv-5936-493f.