What’s Vulnerable › Vulnerabilities

CVE-2018-17571

• Severity: medium (CVSS 6.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-09-28 · updated 2026-06-17
• Weakness: CWE-79

Description

Vanilla before 2.6.1 allows XSS via the email field of a profile.

Affected products

• Vanilla Forums: before 2.6.1 — fixed in 2.6.1

How to fix

Upgrade to a fixed version: Vanilla Forums 2.6.1. Check the vendor advisory for mitigations.

References

• https://hackerone.com/reports/361957
• https://hackerone.com/reports/361957

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