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vulnrichmentWordfenceVULNRICHMENT:CVE-2024-5439
HistoryJun 05, 2024 - 7:34 a.m.

CVE-2024-5439 Blocksy <= 2.0.50 - Authenticated (Contributor+) Stored Cross-Site Scripting

2024-06-0507:34:56
Wordfence
github.com
cve-2024-5439
blocksy theme
wordpress
authenticated
cross-site scripting
reflected
input sanitization
output escaping
unauthenticated attackers
arbitrary web scripts

6.4 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

6.4 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

14.2%

The Blocksy theme for WordPress is vulnerable to Reflected Cross-Site Scripting via the custom_url parameter in all versions up to, and including, 2.0.50 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.

CNA Affected

[
  {
    "vendor": "creativethemeshq",
    "product": "Blocksy",
    "versions": [
      {
        "version": "*",
        "status": "affected",
        "lessThanOrEqual": "2.0.50",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

6.4 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

6.4 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

14.2%

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