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CVE-2021-24225

Advanced Booking Calendar < 1.6.7 - Authenticated Reflected Cross-Site Scripting (XSS)

MEDIUM
5.4
CVSS Score
Published: April 12, 2021 at 02:04 PM UTC
Updated: June 17, 2026 at 03:39 AM UTC
1 product affected across 1 vendorAdvanced Booking Calendar

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.7%

Description

The Advanced Booking Calendar WordPress plugin before 1.6.7 did not sanitise the calId GET parameter in the "Seasons & Calendars" page before outputing it in an A tag, leading to a reflected XSS issue

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Advanced Booking Calendar· Elbtidewordpress-plugin
95%
v < 1.6.7
Affected range stops below 1.6.7, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://plugins.trac.wordpress.org/changeset/2503971/
x_refsource_CONFIRMExploitThird Party Advisory
Source: [email protected]
https://wpscan.com/vulnerability/25ca8af5-ab48-4e6d-b2ef-fc291742f1d5

CVSS

5.4MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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