SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-24145

Arbitrary file upload in the Modern Events Calendar Lite WordPress plugin, versions before 5.16.5, did not properly check the imported file, allowing PHP ones to be uploaded by administrator by using the 'text/csv' content-type in the request.

EXPLOITHIGH 7.2EPSS 87.2%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 87.2%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.

Description

Arbitrary file upload in the Modern Events Calendar Lite WordPress plugin, versions before 5.16.5, did not properly check the imported file, allowing PHP ones to be uploaded by administrator by using the 'text/csv' content-type in the request.

CVSS 3.1
7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
87.20% probability · 100th percentile
Public exploits
1 in Exploit-DB · first 2 July 2021
CISA KEV
Not listed
Weakness
CWE-434
Affected
webnus/modern events calendar lite
Source
contact@wpscan.com
EPSS trend
0%45%90%26 October 2026: 87.20%26 October 202626 October 2026

EPSS 87.2% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-50082source ↗Wordpress Plugin Modern Events Calendar 5.16.2 - Remote Code Execution (Authenticated)php · Ron Jostwebapps2 July 2021no

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.