CVE-2018-6376

highpriority · attend · 50EPSS 0.041 · 91 %ileexploit · PoCEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

4.14% (91st) EPSS

CVSS 7.5 · high

Is it mine?

2 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

In Joomla! before 3.8.4, the lack of type casting of a variable in a SQL statement leads to a SQL injection vulnerability in the Hathor postinstall message.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.09.3criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-89USprimary

exploits (1)

Public proof-of-concept and weaponised exploit code.

knqyf263/CVE-2018-6376Joomla!, Second Order SQL InjectionPoC · poc_in_github

affected products (2)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
joomla joomla!< 3.8.4nvdUScpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2018-01-30modified 2026-06-17

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+23888 more

references (7)

External citations — patches, advisories, analysis.

https://developer.joomla.org/security-centre/722-20180105-core-sqli-vulnerability.html cnnvd
http://www.securityfocus.com/bid/102916 enisa_euvd
http://www.securitytracker.com/id/1040316 enisa_euvd
https://developer.joomla.org/security-centre/722-20180105-core-sqli-vulnerability.html enisa_euvd
http://www.securityfocus.com/bid/102916Third Party AdvisoryVDB Entrynvd
http://www.securitytracker.com/id/1040316Third Party AdvisoryVDB Entrynvd
https://developer.joomla.org/security-centre/722-20180105-core-sqli-vulnerability.htmlVendor Advisorynvd

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