TI-2021-07361 Aliases CVE-2021-25083 GHSA-57q9-jqvx-2qj7

Registrations for the Events Calendar < 2.7.10 - Reflected Cross-Site Scripting

LOW 29CWE-79Published 2022-01-24 · Updated 2024-08-03

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

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

Why it matters now

EPSS 0.00887 59th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed Registrations for the Events Calendar – Event Registration Plugin (Unknown): 2.7.10

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Unknown	Registrations for the Events Calendar – Event Registration Plugin	2.7.10 to before 2.7.10	2.7.10	Patch available	CNA

Registrations for the Events Calendar – Event Registration Plugin VendorUnknown Affected 2.7.10 to before 2.7.10 Fixed in 2.7.10 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:roundupwp:registrations_for_the_events_calendar::::::wordpress::*	up to 2.7.10	Vulnerable	Roundup WP

cpe:2.3:a:roundupwp:registrations_for_the_events_calendar:*:*:*:*:*:wordpress:*:* Versions up to 2.7.10 Vulnerable ·Roundup WP

Remediation

Fix · CNA Registrations for the Events Calendar – Event Registration Plugin (Unknown) Fixed in 2.7.10

Timeline

2026-10-02 Threatist record created from CVE-2021-25083
2026-10-03 Alias added: GHSA-57q9-jqvx-2qj7

References

Exploit 1

https://wpscan.com/vulnerability/9b69544d-6a08-4757-901b-6ccf1cd00ecc

Patch 1

https://plugins.trac.wordpress.org/changeset/2648377

TI-2024-07401 Registrations for The Events Calendar < 2.12.4 - Unauthenticated Stored XSS CVSS 3.1CRITICAL 9.6
TI-2024-09918 Registrations for The Events Calendar < 2.13.4 - Admin+ Stored XSS CVSS 3.1MEDIUM 6.1
TI-2021-07222 Registrations for the Events Calendar < 2.7.6 - Unauthenticated SQL Injection CVSS 3.1CRITICAL 9.8
TI-2024-26562 WordPress Registrations for the Events Calendar plugin <= 2.12.2 - SQL Injection vulnerability CVSS 3.1HIGH 8.8
TI-2021-07158 Registrations for The Events Calendar < 2.7.5 - Reflected Cross-Site Scripting CVSS 3.1MEDIUM 6.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences