What’s Vulnerable › Vulnerabilities

CVE-2015-9539

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-11-26 · updated 2026-06-17
• Weakness: CWE-79

Description

The Fast Secure Contact Form plugin before 4.0.38 for WordPress allows fs_contact_form1[welcome] XSS.

Affected products

• Fast Secure Contact Form Project Fast Secure Contact Form: before 4.0.38 — fixed in 4.0.38

How to fix

Upgrade to a fixed version: Fast Secure Contact Form Project Fast Secure Contact Form 4.0.38. Check the vendor advisory for mitigations.

References

• https://cybersecurityworks.com/zerodays/cve-2015-9539-fastsecure.html
• https://github.com/amansaini/fast-secure-contact-form
• https://github.com/cybersecurityworks/Disclosed/issues/4
• https://www.openwall.com/lists/oss-security/2015/10/27/2
• https://cybersecurityworks.com/zerodays/cve-2015-9539-fastsecure.html
• https://github.com/amansaini/fast-secure-contact-form
• https://github.com/cybersecurityworks/Disclosed/issues/4
• https://www.openwall.com/lists/oss-security/2015/10/27/2

Get alerted when CVE-2015-9539 or the next vulnerability affects your stack