What is CVE-2021-25028?

CVE-2021-25028 is a medium-severity vulnerability in Tri Event Tickets, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2022-01-24.

How severe is CVE-2021-25028?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2021-25028 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Open Redirect in Tri Event Tickets

CVE-2021-25028

The Event Tickets WordPress plugin before 5.2.2 does not validate the tribe_tickets_redirect_to parameter before redirecting the user to the given value, leading to an arbitrary redirect issue

Vulnerability class: Open Redirect

Published 2022-01-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.019 (79.2th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000

Affected products

Tri Event Tickets
Event Tickets — versions 5.2.2

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

Public proof-of-concept exploits

References

wpscan.com/vulnerability/80b0682e-2c3b-441b-9628-6462368e5fc7 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2021-25028?: CVE-2021-25028 is a medium-severity vulnerability in Tri Event Tickets, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2022-01-24.
How severe is CVE-2021-25028?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-25028 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.