What is CVE-2016-1000271?

CVE-2016-1000271 is a critical-severity vulnerability in Dthdevelopment Dt Register, classified under SQL Injection. CVSS score: 9.8/10. Published 2019-02-04.

How severe is CVE-2016-1000271?

Critical severity. CVSS v3 base score is 9.8 out of 10.

SQL Injection in Dthdevelopment Dt Register

CVE-2016-1000271

Joomla extension DT Register version before 3.1.12 (Joomla 3.x) / 2.8.18 (Joomla 2.5) contains an SQL injection in "/index.php?controller=calendar&format=raw&cat[0]=SQLi&task=events". This attack appears to be exploitable if the attacker can reach the web server.

Vulnerability class: SQL Injection

Published 2019-02-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.020 (79.6th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000

Affected products

Dthdevelopment Dt Register

Weakness classification (CWE)

CWE-89 — SQL Injection

References

packetstormsecurity.com/files/140141/Joomla-DT-Register-SQL-Injection.html (Exploit, VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2016-1000271?: CVE-2016-1000271 is a critical-severity vulnerability in Dthdevelopment Dt Register, classified under SQL Injection. CVSS score: 9.8/10. Published 2019-02-04.
How severe is CVE-2016-1000271?: Critical severity. CVSS v3 base score is 9.8 out of 10.