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WordfenceCVE-2024-8850

HistorySep 19, 2024 - 4:15 a.m.

CVE-2024-8850

2024-09-1904:15:06

CWE-79

Wordfence

web.nvd.nist.gov

mc4wp plugin

mailchimp for wordpress

reflected cross-site scripting

email parameter

input sanitization

output escaping

unauthenticated attackers

arbitrary web scripts

security vulnerability

CVSS3

6.1

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

EPSS

0.001

Percentile

21.3%

JSON

The MC4WP: Mailchimp for WordPress plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the ‘email’ parameter when a placeholder such as {email} is used for the field in versions 4.9.9 to 4.9.16 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

Affected configurations

Nvd

Vulners

Node

ibericodemailchimpRange4.9.9–4.9.16wordpress

VendorProductVersionCPE
ibericodemailchimp*cpe:2.3:a:ibericode:mailchimp:*:*:*:*:*:wordpress:*:*

Vendor	Product	Version	CPE
ibericode	mailchimp	*	cpe:2.3:a:ibericode:mailchimp::::::wordpress::*

CNA Affected

[
  {
    "vendor": "dvankooten",
    "product": "MC4WP: Mailchimp for WordPress",
    "versions": [
      {
        "version": "4.9.9",
        "status": "affected",
        "lessThanOrEqual": "4.9.16",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

References

plugins.trac.wordpress.org/browser/mailchimp-for-wp/tags/4.9.16/config/default-form-content.php#L8

plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3153075%40mailchimp-for-wp&new=3153075%40mailchimp-for-wp&sfp_email=&sfph_mail=

www.wordfence.com/threat-intel/vulnerabilities/id/1d2ba8ea-a75f-4069-b67d-f832acb1deef?source=cve

CVSS3

6.1

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

EPSS

0.001

Percentile

21.3%

JSON

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