VulnerabilityModified
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…
MEDIUM 5.4EPSS 0.60%
Does this matter?
Lower severity and a low EPSS score (0.60%). Track it; it rarely justifies an emergency change on its own.
Description
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 3.1
- 5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 0.60% probability · 47th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- my calendar project/my calendar
- Source
- contact@wpscan.com
References
- https://wpscan.com/vulnerability/86f3acc7-8902-4215-bd75-6105d601524eExploit, Third Party Advisory
- https://wpscan.com/vulnerability/86f3acc7-8902-4215-bd75-6105d601524eExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.