SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-17871

The "JEXTN Question And Answer" extension 3.1.0 for Joomla! has SQL Injection via the an parameter in a view=tags action, or the ques-srch parameter.

EXPLOIT ✓CRITICAL 9.8EPSS 2.65%

Does this matter?

A public exploit is published in Exploit-DB (verified) and the impact is critical, while EPSS rates exploitation at 2.7%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.

Description

The "JEXTN Question And Answer" extension 3.1.0 for Joomla! has SQL Injection via the an parameter in a view=tags action, or the ques-srch parameter.

CVSS 3.0
9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
2.65% probability · 86th percentile
Public exploits
1 in Exploit-DB · verified · first 13 December 2017
CISA KEV
Not listed
Weakness
CWE-89
Affected
jextn/jextn question and answer
Source
cve@mitre.org
EPSS trend
0%3%5%27 October 2026: 2.65%27 October 202627 October 2026

EPSS 2.7% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-43329source ↗Joomla! Component JEXTN Question And Answer 3.1.0 - SQL Injectionphp · Ihsan Sencanwebapps13 December 2017yes

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.