XSS in Eventbee Rsvp Widget

CVE-2025-31838

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in eventbee Eventbee RSVP Widget eventbee-rsvp-widget allows DOM-Based XSS.This issue affects Eventbee RSVP Widget: from n/a through <= 1.0.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.004 (26.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 26.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-31838: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-31838?
CVE-2025-31838 is a medium-severity vulnerability in Eventbee Rsvp Widget, classified under Cross-site Scripting. CVSS score: 6.5/10. Published 2025-04-01.
How severe is CVE-2025-31838?
Medium severity. CVSS v3 base score is 6.5 out of 10.