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CVE-2021-24232: The Advanced Booking Calendar WordPress plugin before 1.6.8 does not sanitise the license error message when output in the settings page, leading to an authenticated reflected Cross-Site Scripting iss

medium Affects advanced-booking-calendar (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

The Advanced Booking Calendar WordPress plugin before 1.6.8 does not sanitise the license error message when output in the settings page, leading to an authenticated reflected Cross-Site Scripting iss

Package
advanced-booking-calendar (WordPress plugin) WordPress
Affected versions
<1.6.8
Fixed in
1.6.8
Severity
medium  CVSS 5.4
Exploitation
not on CISA KEV · EPSS 1% (49.6th percentile)
Published
2021-04-22
Source
nvd

References

CWE-79
NVD recordadvanced-booking-calendar (WordPress plugin) advisories

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