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CVE-2019-9918

30
FAUCET Score

CVE-2019-9918 is a critical SQL injection vulnerability affecting the Harmis JE Messenger component 1.2.2 for Joomla!. This flaw allows attackers to execute arbitrary SQL statements due to improper input validation and insecure query construction. With a CVSS score of 9.1 (CRITICAL), it presents a high risk of complete compromise of confidentiality and integrity, requiring no user interaction or authentication. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion, indicating awareness among security researchers.

Impacted Technologies

VendorProductVersion(s)CPE
1.2.2CPE matchmatch criteria
cpe:2.3:a:harmistechnology:je_messenger:1.2.2:*:*:*:*:joomla\!:*:*

CVSS Data

CVSS version used by this source: 3.0

8.5HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.1
Impact Score
4.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.28%
Probability of exploitation in next 30 days
EPSS Percentile
67.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0128 is in the 53rd percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

extensions.joomla.org / extension/je-messenger
ProductThird Party Advisory
github.com / azd-cert/CVE/blob/master/CVEs/CVE-2019-9918.md
Third Party Advisory