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Vulnerability record · CVE-2021-25083 · published 24 January 2022

CVE-2021-25083: Roundupwp registrations for the events calendar cross-site scripting vulnerability

Roundupwp · Registrations For The Events Calendar

The Registrations for the Events Calendar WordPress plugin before 2.7.10 does not escape the qtype parameter before outputting it back in an attribute in the settings page, leading to a Reflected Cross-Site Scripting

6.1 CVSS 3.1 Medium EPSS 0.89% · top 42.3% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score, v2 4.3
0.89%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

The Registrations for the Events Calendar WordPress plugin before 2.7.10 does not escape the qtype parameter before outputting it back in an attribute in the settings page, leading to a Reflected Cross-Site Scripting

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://plugins.trac.wordpress.org/changeset/2648377 PatchThird Party Advisory
https://wpscan.com/vulnerability/9b69544d-6a08-4757-901b-6ccf1cd00ecc ExploitThird Party Advisory
https://plugins.trac.wordpress.org/changeset/2648377 PatchThird Party Advisory
https://wpscan.com/vulnerability/9b69544d-6a08-4757-901b-6ccf1cd00ecc ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-25083), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.