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W3 Total Cache <= 0.9.7.3 — Server Side Request Forgery

b19ce745-2cc4-48eb-b5f3-5011be7cceecPublished · Updated

Action summary

Affected: ≤0.9.7.3Update to 0.9.7.4 or newer

All remediation steps
Watch plugin
Severity
Medium5.4
CVSS
5.4
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:L Privileges required
Low
UI:N User interaction
None
S:U Scope
Unchanged
C:L Confidentiality
Low
I:L Integrity
Low
A:N Availability
None
Weakness
CWE-918 SSRF
Required access
Unknown
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

W3 Total Cache w3-total-cache

  1. Affected≤ 0.9.7.3
  2. Patched in0.9.7.4

Update to 0.9.7.4 or newer.

You are affected if you run ≤ 0.9.7.3. Version 0.9.7.4 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under W3 Total Cache.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 0.9.7.4, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch W3 Total Cache to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence.

The W3 Total Cache plugin for WordPress is vulnerable to Server Side Request Forgery in versions up to, and including 0.9.7.3, due to insufficient user input validation in the opcache_flush_file file.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in W3 Total Cache

All 41
More vulnerabilities in W3 Total Cache
SeverityVulnerabilityCVEPublished
Medium5.4Unauthenticated Stored Cross-Site Scripting via Comment Content via Predictable Minify Placeholder
≤2.10.7Update to 2.11.0
CVE-2026-120019
High7.2Unauthenticated Stored Cross-Site Scripting via Comment Content Cached as HTML after License Expiry
≤2.10.7Update to 2.11.0
CVE-2026-111254
High7.2Unauthenticated Stored Cross-Site Scripting
≤2.10.7Update to 2.11.0
CVE-2026-114178
Medium6.5Authenticated (Author+) Path Traversal
≤2.10.5Update to 2.10.6
CVE-2026-107321
High7.2Unauthenticated Stored Cross-Site Scripting via Comment Content
≤2.10.6Update to 2.10.7
CVE-2026-87920

Same weakness (SSRF)

All SSRF
Other SSRF vulnerabilities
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup≤5.25.25Update to 5.26.45
CVE-2026-120688
Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder≤1.0.2Update to 1.1
CVE-2026-125055
Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System≤3.3.9Update to 3.4.0
CVE-2026-119077
Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce≤5.127.0Update to 5.128.0
CVE-2026-121518

Timeline

  1. CVE published

    Severity medium, CVSS 5.4

  2. Record last updated

Sources & licenses

Vulnerability data
Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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