Read the docs
TI-2021-06741 Aliases CVE-2021-24452GHSA-w3f9-qvj2-72hf

W3 Total Cache < 2.1.5 - Reflected XSS in Extensions Page (JS Context)

Priority LOW 31CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

The W3 Total Cache WordPress plugin before 2.1.5 was affected by a reflected Cross-Site Scripting (XSS) issue within the "extension" parameter in the Extensions dashboard, when the 'Anonymously track usage to improve product quality' setting is enabled, as the parameter is output in a JavaScript context without proper escaping. This could allow an attacker, who can convince an authenticated admin into clicking a link, to run malicious JavaScript within the user's web browser, which could lead to full site compromise.

Why it matters now

EPSS 0.01917 79th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed W3 Total Cache (BoldGrid): 2.1.5

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
BoldGridW3 Total Cache2.1.5 to before 2.1.52.1.5Patch availableCNA
  • W3 Total Cache VendorBoldGrid Affected 2.1.5 to before 2.1.5 Fixed in 2.1.5 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:boldgrid:w3_total_cache:*:*:*:*:*:wordpress:*:*before 2.1.5VulnerableBoldGrid
  • cpe:2.3:a:boldgrid:w3_total_cache:*:*:*:*:*:wordpress:*:* Versions before 2.1.5 Vulnerable ·BoldGrid

Remediation

  • Fix · CNA W3 Total Cache (BoldGrid) Fixed in 2.1.5

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-24452
  2. 2026-10-03 Alias added: GHSA-w3f9-qvj2-72hf

References

Exploit 1

  • TI-2013-01782 WordPress W3 Total Cache Plugin 0.9.2.8 has a Remote PHP Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2019-04758 pub/sns.php in the W3 Total Cache plugin before 0.9.4 for WordPress allows remote… CVSS 3.1HIGH 7.5
  • TI-2024-11141 W3 Total Cache <= 2.8.1 Information Exposure via Log Files CVSS 3.1HIGH 7.5
  • TI-2024-11471 W3 Total Cache <= 2.8.1 - Authenticated (Subscriber+) Missing Authorization to Server-Side Request Forgery CVSS 3.1HIGH 8.5
  • TI-2012-05043 Information disclosure in W3 Total Cache CVSS 3.1HIGH 7.5
  • TI-2012-05042 Information disclosure in W3 Total Cache CVSS 3.1HIGH 7.5
See all 13 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences