Auth bypass in Brandexponents Tatsu
CVE-2021-25094
The Tatsu WordPress plugin before 3.3.12 add_custom_font action can be used without prior authentication to upload a rogue zip file which is uncompressed under the WordPress's upload directory. By adding a PHP shell with a filename startin…
Vulnerability class: Broken Authentication
EPSS: 0.834 (99.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Brandexponents Tatsu
- Unknown Tatsu — versions 3.3.12
Weakness classification (CWE)
Public proof-of-concept exploits
References
- contact@wpscan.com (Exploit, Third Party Advisory, x_refsource_MISC)
- contact@wpscan.com (Exploit, Third Party Advisory, x_refsource_MISC)
- contact@wpscan.com (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2021-25094?
- CVE-2021-25094 is a high-severity vulnerability in Brandexponents Tatsu, classified under Missing Authentication for Critical Function. CVSS score: 8.1/10. Published 2022-04-25.
- How severe is CVE-2021-25094?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2021-25094 known to be exploited?
- 21 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.