CVE-2026-15918: SQL Injection (CVSS 7.5)

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

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CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS — Exploit Prediction

0.0039

Probability of exploitation

0.32%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-89 SQL Injection

References

Other References

https://plugins.trac.wordpress.org/browser/vikappointments/tags/1.2.19/site/helpers/lib.vikappointments.php#L5907 https://plugins.trac.wordpress.org/browser/vikappointments/tags/1.2.19/site/helpers/lib.vikappointments.php#L6011 https://plugins.trac.wordpress.org/browser/vikappointments/tags/1.2.19/site/views/employeesearch/view.html.php#L74 https://plugins.trac.wordpress.org/browser/vikappointments/tags/1.2.19/site/views/servicesearch/view.html.php#L80 https://www.wordfence.com/threat-intel/vulnerabilities/id/3d1e49cf-86ac-4368-800a-4e46f72c975d?source=cve

Frequently Asked Questions

What is CVE-2026-15918? +

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 It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-15918? +

CVE-2026-15918 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0039, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-15918? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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