What’s Vulnerable › Vulnerabilities

CVE-2017-18511

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-08-14 · updated 2026-06-17
• Weakness: CWE-352

Description

The custom-sidebars plugin before 3.0.8.1 for WordPress has CSRF.

Affected products

• wpmudev Custom Sidebars: before 3.0.8.1 — fixed in 3.0.8.1

How to fix

Upgrade to a fixed version: wpmudev Custom Sidebars 3.0.8.1. Check the vendor advisory for mitigations.

References

• https://wordpress.org/plugins/custom-sidebars/#developers
• https://wordpress.org/plugins/custom-sidebars/#developers

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