CVE-2021-24393 Comment Highlighter <= 0.13 - Authenticated SQL Injection
Authenticated attackers can exploit unsanitized input in the Comment Highlighter plugin to execute arbitrary SQL commands, potentially accessing or modifying database content.
- 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-2021-24393?
CVE-2021-24393 is a high-severity SQL injection vulnerability in Unknown Comment Highlighter, published on 6 Sep 2021. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A c GET parameter of the Comment Highlighter WordPress plugin through 0.13 is not properly sanitised, escaped or validated before inserting to a SQL statement, leading to SQL injection.
Weakness: CWE-89
Which versions are affected by CVE-2021-24393?
It affects 1 product.
Products include Comment Highlighter Project Comment Highlighter.
How do I fix CVE-2021-24393?
No fix has been published for CVE-2021-24393 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-2021-24393 being exploited?
There is no known exploitation of CVE-2021-24393 in the wild and no public exploit code.
Sources
Also known as GHSA-7xjf-9gpj-wwj4.