CVE-2026-15918 VikAppointments – Services Booking Calendar <= 1.2.19 - Unauthenticated SQL Injection
Unauthenticated attackers can inject SQL via the reviews sorting parameter to read sensitive database information, including user credentials.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-15918?
CVE-2026-15918 is a high-severity SQL injection vulnerability in e4jvikwp VikAppointments Services Booking Calendar, published on 5 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
VikAppointments Service Booking Calendar wordpress plugin is vulnerable to unauthenticated SQL injection due to one of the parameters that controls how the public reviews list is sorted is taken from the incoming request and used to build a database query without proper validation or sanitization. Because this value is placed directly into the query, an attacker who is not logged in can inject arbitrary SQL through a normal booking page and read data from the site's database — including sensitive information such as WordPress user credentials. No authentication or special privileges are required
Weakness: CWE-89
Which versions are affected by CVE-2026-15918?
How do I fix CVE-2026-15918?
No fix has been published for CVE-2026-15918 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-2026-15918 being exploited?
There is no known exploitation of CVE-2026-15918 in the wild and no public exploit code.
Sources
Also known as GHSA-cg6f-7m34-r225.