CVE-2021-24927

The My Calendar WordPress plugin before 3.2.18 does not sanitise and escape the callback parameter of the mc_post_lookup AJAX action (available to any authenticated user) before outputting it back in the response, leading to a Reflected Cross-Site Scripting issue

CVSS v3.1

5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS v2.0

3.5 LOWAV:N/AC:M/Au:S/C:N/I:P/A:N

EPSS

0.60% chance of exploitation in the next 30 days, 46th percentile

Published

2021-11-29

Updated

2024-08-03

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/86f3acc7-8902-4215-bd75-6105d601524e

References

• CVE Record
• NVD entry

Related

• CVE-2021-24926
• CVE-2021-24928
• CVE-2021-24925
• CVE-2021-24930
• CVE-2021-24924
• CVE-2021-24931