2021-24427 | W3 Total Cache Plugin CDN Setting cross site scripting


CVSS Meta Temp Score

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Current Exploit Price (≈)

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CTI Interest Score

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2.3 $0-$5k 0.16

A vulnerability was found in W3 Total Cache Plugin up to 2.1.2. It has been classified as problematic. This affects some unknown functionality of the component CDN Setting Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. This is going to have an impact on integrity. An attacker might be able to inject arbitrary html and script code into the web site. This would alter the appearance and would make it possible to initiate further attacks against site visitors. The summary by CVE is:

The W3 Total Cache WordPress plugin before 2.1.3 did not sanitise or escape some of its CDN settings, allowing high privilege users to use JavaScript in them, which will be output in the page, leading to an authenticated Stored Cross-Site Scripting issue

The weakness was released 07/13/2021. The advisory is shared at wpscan.com. This vulnerability is uniquely identified as CVE-2021-24427 since 01/14/2021. The exploitability is told to be easy. It is possible to initiate the attack remotely. The exploitation needs additional levels of successful authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

Upgrading to version 2.1.3 eliminates this vulnerability.

Name

VulDB Meta Base Score: 2.4
VulDB Meta Temp Score: 2.3

VulDB Base Score: 2.4
VulDB Temp Score: 2.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

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Vector Complexity Authentication Confidentiality Integrity Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Cross site scripting
CWE: CWE-79
ATT&CK: T1059.007

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒


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Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: W3 Total Cache Plugin 2.1.3

01/14/2021 CVE assigned
07/13/2021 +179 days Advisory disclosed
07/13/2021 +0 days VulDB entry created
07/15/2021 +2 days VulDB last updateAdvisory: wpscan.com
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2021-24427 (🔒)

Created: 07/13/2021 08:15
Updated: 07/15/2021 20:43
Changes: (6) source_cve_assigned source_cve_nvd_summary advisory_confirm_url vulnerability_cvss2_vuldb_tempscore vulnerability_cvss3_vuldb_tempscore vulnerability_cvss3_meta_tempscore
Complete: 🔍

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