4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
6.1 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
0.001 Low
EPSS
Percentile
41.7%
RevealJS postMessage before 4.3.0 contains a cross-site scripting vulnerability via the document object model.
id: CVE-2022-0776
info:
name: RevealJS postMessage <4.3.0 - Cross-Site Scripting
author: LogicalHunter
severity: medium
description: RevealJS postMessage before 4.3.0 contains a cross-site scripting vulnerability via the document object model.
impact: |
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary JavaScript code in the context of the victim's browser, leading to potential data theft, session hijacking, or defacement of the affected website.
remediation: |
Upgrade to RevealJS postMessage version 4.3.0 or later to mitigate this vulnerability.
reference:
- https://hackerone.com/reports/691977
- https://github.com/hakimel/reveal.js/pull/3137
- https://huntr.dev/bounties/be2b7ee4-f487-42e1-874a-6bcc410e4001/
- https://nvd.nist.gov/vuln/detail/CVE-2022-0776
- https://github.com/hakimel/reveal.js/commit/32cdd3b1872ba8e2267c9e87ae216cb55f40f4d2
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-2022-0776
cwe-id: CWE-79
epss-score: 0.001
epss-percentile: 0.41295
cpe: cpe:2.3:a:revealjs:reveal.js:*:*:*:*:*:node.js:*:*
metadata:
vendor: revealjs
product: reveal.js
framework: node.js
tags: cve,cve2022,hackerone,huntr,headless,postmessage,revealjs,node.js
headless:
- steps:
- args:
url: "{{BaseURL}}"
action: navigate
- action: waitload
- action: script
name: extract
args:
code: |
() => {
return (Reveal.VERSION <= "3.8.0" || Reveal.VERSION < "4.3.0")
}
matchers:
- type: word
part: extract
words:
- "true"
# digest: 4a0a00473045022100918dfe2d73769e2b4c3bf2fe3d647e9f1d5a1d315aef145c8b3552d918e65b6f02206e511fac20471835f42d89807cf41b10064b97086e2c26cd3376050c419c09ae:922c64590222798bb761d5b6d8e72950
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
6.1 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
0.001 Low
EPSS
Percentile
41.7%