CVE-2021-24146 in the critical feed json
Modern Events Calendar Lite < 5.16.5 - Unauthenticated Events Export
published 5y ago modified 4mo ago also EUVD-2021-11060
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 31.0%
- EPSS 31.0% chance of exploitation in 30 days, percentile 98%
- public exploits
- 1
- Exploit-DB, plus a Nuclei check
Summary
Lack of authorisation checks in the Modern Events Calendar Lite WordPress plugin, versions before 5.16.5, did not properly restrict access to the export files, allowing unauthenticated users to exports all events data in CSV or XML format for example.
Patch / fix
- webnus modern_events_calendar_lite 5.16.5
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- Published
- First public exploit (EDB-50084)
Exploit prediction
31.04% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- EDB-50084 Wordpress Plugin Modern Events Calendar 5.16.2 - Event export (Unauthenticated) webapps, 2021-07-02
- Nuclei template WordPress Modern Events Calendar Lite <5.16.5 - Sensitive Information Disclosure nuclei detection template
- wpscan.com https://wpscan.com/vulnerability/c7b1ebd6-3050-4725-9c87-0ea525f8fecc referenced PoC, tagged "exploit" by a source, unverified
- packetstormsecurity.com http://packetstormsecurity.com/files/163345/WordPress-Modern-Events-Calendar-5.16.2-Information-Disclosure.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
Affected products
- Unknown Modern Events Calendar Lite
Classification
- Weakness
- Technology feeds
References
-
wpscan.com
/vulnerability/c7b1ebd6-3050-4725-9c87-0ea525f8fecc
exploit, third-party-advisory
-
packetstormsecurity.com
/files/163345/WordPress-Modern-Events-Calendar-5.16.2-Information-Disclosure.html
exploit, third-party-advisory, vdb-entry
Sources
- CVE List CVE-2021-24146
- NVD CVE-2021-24146
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