TI-2021-07079 Aliases CVE-2021-24797 GHSA-h5xm-qm7g-wc4p

Tickera < 3.4.8.3 - Unauthenticated Stored Cross-Site Scripting

LOW 30CWE-79Published 2021-12-27 · 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 Tickera WordPress plugin before 3.4.8.3 does not properly sanitise and escape the Name fields of booked Events before outputting them in the Orders admin dashboard, which could allow unauthenticated users to perform Cross-Site Scripting attacks against admins.

Why it matters now

EPSS 0.01186 68th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed Tickera – WordPress Event Ticketing (Unknown): 3.4.8.3

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	Tickera – WordPress Event Ticketing	3.4.8.3 to before 3.4.8.3	3.4.8.3	Patch available	CNA

Tickera – WordPress Event Ticketing VendorUnknown Affected 3.4.8.3 to before 3.4.8.3 Fixed in 3.4.8.3 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:tickera:tickera::::::wordpress::*	before 3.4.8.3	Vulnerable	tickera

cpe:2.3:a:tickera:tickera:*:*:*:*:*:wordpress:*:* Versions before 3.4.8.3 Vulnerable ·tickera

Remediation

Fix · CNA Tickera – WordPress Event Ticketing (Unknown) Fixed in 3.4.8.3

Timeline

2026-10-02 Threatist record created from CVE-2021-24797
2026-10-03 Alias added: GHSA-h5xm-qm7g-wc4p

References

Exploit 1

https://wpscan.com/vulnerability/0eb07cc8-8a19-4e01-ab90-844495413453

TI-2023-06636 Tickera < 3.5.2.5 - Ticket leakage through IDOR CVSS 3.1MEDIUM 5.3
TI-2022-04153 Tickera < 3.5.1.0 - Plugin Data Deletion via CSRF CVSS 3.1MEDIUM 4.3
TI-2024-23598 WordPress Tickera plugin <= 3.5.2.6 - Broken Access Control vulnerability CVSS 3.1HIGH 8.8
TI-2024-09509 Tickera – WordPress Event Ticketing <= 3.5.4.4 - Unauthenticated Arbitrary Shortcode Execution CVSS 3.1HIGH 7.3
TI-2024-05434 Tickera <= 3.5.2.8 - Missing Authorization to Authenticated (Susbcriber+) Ticket Deletion CVSS 3.1MEDIUM 4.3

Sources

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