T1 theme <= 19.0 - Open Redirect

published 2024-01-16 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-44404

cvss: 6.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 44%
public exploits: 0; none known

The T1 WordPress theme through 19.0 is vulnerable to unauthenticated open redirect with which any attacker and redirect users to arbitrary websites.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-01-24)

Exploit prediction

0.53% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

wpscan.com https://wpscan.com/vulnerability/7c6fc499-de09-4874-ab96-bdc24d550cfb/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CNA	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

Unknown t1

Classification

Weakness

CWE-601 URL Redirection to Untrusted Site

Technology feeds

WordPress rss critical rss

References

wpscan.com /vulnerability/7c6fc499-de09-4874-ab96-bdc24d550cfb/
exploit, vdb-entry, technical-description, third-party-advisory

Sources

CVE List CVE-2023-3771
NVD CVE-2023-3771

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary