XSS in Fivestarplugins Five Star Restaurant Reservations

CVE-2021-24965

The Five Star Restaurant Reservations WordPress plugin before 2.4.8 does not have capability and CSRF checks in the rtb_welcome_set_schedule AJAX action, allowing any authenticated users to call it. Due to the lack of sanitisation and escaping, users with a role as low as subscriber could perform Cross-Site Scripting attacks against logged in admins

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (45.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-24965?
CVE-2021-24965 is a medium-severity vulnerability in Fivestarplugins Five Star Restaurant Reservations, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-01-24.
How severe is CVE-2021-24965?
Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2021-24965 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.