CVE-2021-24555 Diary & Availability Calendar <= 1.0.3 - Authenticated (subscriber+) SQL Injection
Authenticated users can exploit SQL injection in the Diary & Availability Calendar plugin to read or modify database contents.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-24555?
CVE-2021-24555 is a high-severity SQL injection vulnerability in Unknown Diary & Availability Calendar, published on 23 Aug 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The daac_delete_booking_callback function, hooked to the daac_delete_booking AJAX action, takes the id POST parameter which is passed into the SQL statement without proper sanitisation, validation or escaping, leading to a SQL Injection issue. Furthermore, the ajax action is lacking any CSRF and capability check, making it available to any authenticated user.
Which versions are affected by CVE-2021-24555?
It affects 1 product.
Products include Roosty Diary-Availability-Calendar.
How do I fix CVE-2021-24555?
No fix has been published for CVE-2021-24555 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-2021-24555 being exploited?
There is no known exploitation of CVE-2021-24555 in the wild and no public exploit code.
Sources
Also known as GHSA-7qqw-3436-pv6f.