CVE-2021-24147

CWE-79 — Cross-site Scripting (XSS)3 documents3 sources
Severity
5.4MEDIUM
EPSS
0.3%
top 49.90%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Unknown Modern Events Calendar LiteWebnus Modern Events Calendar Lite
Timeline
PublishedMar 18
Latest updateMay 24

Description

Unvalidated input and lack of output encoding in the Modern Events Calendar Lite WordPress plugin, versions before 5.16.5, did not sanitise the mic_comment field (Notes on time) when adding/editing an event, allowing users with privilege as low as author to add events with a Cross-Site Scripting payload in them, which will be triggered in the frontend when viewing the event.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NExploitability: 2.3 | Impact: 2.7

Affected Packages2 packages

▶CVEListV5unknown/modern_events_calendar_lite5.16.5 — 5.16.5

🔴Vulnerability Details

2
GHSA
GHSA-38c2-7994-ggcm: Unvalidated input and lack of output encoding in the Modern Events Calendar Lite WordPress plugin, versions before 5↗2022-05-24
▶
CVEList
Modern Events Calendar Lite < 5.16.5 - Authenticated Stored Cross-Site Scripting (XSS)↗2021-03-18
▶
CVE-2021-24147 (MEDIUM CVSS 5.4) | Unvalidated input and lack of outpu | cvebase.io