CVE-2026-13395: The Online Scheduling and Appointment Booking System WordPress plugin before 27.8 does not sanitize or properly cast a user-supplied parameter from its unauthenticated front-end b
The Online Scheduling and Appointment Booking System WordPress plugin before 27.8 does not sanitize or properly cast a user-supplied parameter from its unauthenticated front-end booking requests before using it in a SQL query, allowing unauthenticated attackers to perform SQL injection attacks and extract sensitive data such as password hashes from the database.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-13395
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-133950.34% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 26% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-13395 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for Online Scheduling and
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
More from NVD Recent CVEs
- mediumCVE-2026-18573: A flaw was found in the keycloak-services component of Keycloak, which is used for managing au…2026-08-02
- mediumCVE-2026-18572: Keycloak provides authorization services that allow administrators to restrict access to resou…2026-08-02
- mediumCVE-2026-18571: A flaw was found in the user creation component of Keycloak when Fine-Grained Admin Permission…2026-08-02
- mediumCVE-2026-18570: A flaw was found in the full-scope-disabled client-policy executor within the keycloak-service…2026-08-02
- unknownCVE-2026-16540: The Simply Schedule Appointments WordPress plugin before 1.6.12.6 does not correctly restrict …2026-08-02