CVE-2017-20257CWE-89sql-injection

CVE-2017-20257

High · published June 19, 2026

CVSS v3.1

8.2

EPSS

Percentile

41.4

In the wild

Unconfirmed

What it is

Joomla! Component Quiz Deluxe 3.7.4 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL commands through the ajaxaction.flag_question task. Attackers can inject malicious SQL code via the stu_quiz_id or flag_quest parameters to manipulate database queries and extract sensitive information.

The record

Technical detail

CVSS v3.1: 8.2 · HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
CVSS v4.0: Not supplied
EPSS: 0.00492 · 41.4th percentile
Weakness: CWE-89 · Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Published: 2026-06-19T20:16Z

Affected products (1)

Product	Versions	Fixed in
joomplace/quiz_deluxe	all versions	—

References (4)

http://joomplace.com/ · [email protected]https://extensions.joomla.org/extensions/extension/living/education-a-culture/quiz-deluxe/ · [email protected]https://www.exploit-db.com/exploits/42589 · [email protected]https://www.vulncheck.com/advisories/joomla-component-quiz-deluxe-sql-injection · [email protected]

EPSS history

Timeline

19 JUN 15:34Z
Joomla! Component Quiz Deluxe 3.7.4 SQL Injection
cvelistv5