XSS in Phpjabbers Time Slots Booking Calendar

CVE-2023-33564

There is a Cross Site Scripting (XSS) vulnerability in the "theme" parameter of preview.php in PHPJabbers Time Slots Booking Calendar v3.3.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (35.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/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-2023-33564?
CVE-2023-33564 is a medium-severity vulnerability in Phpjabbers Time Slots Booking Calendar, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-08-01.
How severe is CVE-2023-33564?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2023-33564 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.