What’s Vulnerable › Vulnerabilities

CVE-2017-18563

• Severity: medium (CVSS 6.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-08-21 · updated 2026-06-17
• Weakness: CWE-79

Description

The rsvp plugin before 2.3.8 for WordPress has persistent XSS via the note field on the attendee-list screen.

Affected products

• Swimordiesoftware Rsvp: before 2.3.8 — fixed in 2.3.8

How to fix

Upgrade to a fixed version: Swimordiesoftware Rsvp 2.3.8. Check the vendor advisory for mitigations.

References

• https://wordpress.org/plugins/rsvp/#developers
• https://wordpress.org/plugins/rsvp/#developers

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