Reported vulnerability

WordPress Core < 4.7.5 - Server-Side Request Forgery

Q: Which versions of WordPress are affected?

Wordfence lists these affected versions: Start version unspecified, before 3.7; From 3.7, through 3.7.20; From 3.8, through 3.8.20; From 3.9, through 3.9.18; From 4.0, through 4.0.17; From 4.1, through 4.1.17; From 4.2, through 4.2.14; From 4.3, through 4.3.10; From 4.4, through 4.4.9; From 4.5, through 4.5.8; From 4.6, through 4.6.5; From 4.7, through 4.7.4. Use the version checker above to compare your installed release with this report.

Q: Is a fix available for WordPress?

Wordfence reports a fix for this issue in WordPress. It lists these fixed versions: 3.7.21, 3.8.21, 3.9.19, 4.0.18, 4.1.18, 4.2.15, 4.3.11, 4.4.10, 4.5.9, 4.6.6, 4.7.5. Back up your website and test the recommended update before applying it to your live site.

Q: Where can I find my installed WordPress version?

In WordPress, open Dashboard > Updates to find your installed WordPress version.

Published 16 May 2017

Updated 22 Jan 2024

CVE-2017-9066

Compare your installed software with the affected versions below. Follow the source’s remediation guidance and test an available update after taking a backup. A database entry describes a reported issue; it does not establish whether a particular website has been compromised.

Does this affect my version?

Check your installed version against this advisory. This compares the report’s version ranges and does not scan your website.

Wordfence advisory

high · CVSS 7.7

In WordPress before 4.7.5, there is insufficient redirect validation in the HTTP class, leading to SSRF.

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

WordPress

Software: WordPress Core · wordpress
Affected versions: Start version unspecified, before 3.7; From 3.7, through 3.7.20; From 3.8, through 3.8.20; From 3.9, through 3.9.18; From 4.0, through 4.0.17; From 4.1, through 4.1.17; From 4.2, through 4.2.14; From 4.3, through 4.3.10; From 4.4, through 4.4.9; From 4.5, through 4.5.8; From 4.6, through 4.6.5; From 4.7, through 4.7.4
Fix availability: Fix available
Fixed versions: 3.7.21, 3.8.21, 3.9.19, 4.0.18, 4.1.18, 4.2.15, 4.3.11, 4.4.10, 4.5.9, 4.6.6, 4.7.5

Recommended action

Update to one of the following versions, or a newer patched version: 3.7.21, 3.8.21, 3.9.19, 4.0.18, 4.1.18, 4.2.15, 4.3.11, 4.4.10, 4.5.9, 4.6.6, 4.7.5

Further references (1)

wordfence.com/threat-intel/vulnerabilities/id/d357f92a-3c20-4972-af4d-65053027d31c?source=api-prod

Data sources and licences

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CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

Read licence terms

Source: Wordfence

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Questions about this vulnerability

Which versions of WordPress are affected?

Wordfence lists these affected versions: Start version unspecified, before 3.7; From 3.7, through 3.7.20; From 3.8, through 3.8.20; From 3.9, through 3.9.18; From 4.0, through 4.0.17; From 4.1, through 4.1.17; From 4.2, through 4.2.14; From 4.3, through 4.3.10; From 4.4, through 4.4.9; From 4.5, through 4.5.8; From 4.6, through 4.6.5; From 4.7, through 4.7.4. Use the version checker above to compare your installed release with this report.

Is a fix available for WordPress?

Wordfence reports a fix for this issue in WordPress. It lists these fixed versions: 3.7.21, 3.8.21, 3.9.19, 4.0.18, 4.1.18, 4.2.15, 4.3.11, 4.4.10, 4.5.9, 4.6.6, 4.7.5. Back up your website and test the recommended update before applying it to your live site.

Where can I find my installed WordPress version?

In WordPress, open Dashboard > Updates to find your installed WordPress version.

Does an affected version mean my website has been hacked?

An affected version means the installed release matches a vulnerability described in this report. It does not show whether anyone has exploited it on your website. The checker compares version numbers with stored reports; it does not inspect your website.

These reports cover at least one of the same plugins, themes or WordPress core. Check each report’s affected versions separately.

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