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CVE-2018-11690

35
FAUCET Score

CVE-2018-11690 describes a cross-site scripting (XSS) vulnerability in Balbooa Gridbox extension versions 2.4.0 and earlier for Joomla!, stemming from improper input validation. This medium-severity vulnerability (CVSS 6.1) can be exploited remotely with low complexity, requiring user interaction (clicking a crafted URL), to execute malicious scripts in a victim's browser, potentially stealing authentication credentials. While the vulnerability has a moderate FAUCET Risk Score of 60/100, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.4.0CPE matchmatch criteria
cpe:2.3:a:balbooa:gridbox:*:*:*:*:*:joomla\!:*:*

CVSS Data

CVSS version used by this source: 3.0

6.1MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
33.51%
Probability of exploitation in next 30 days
EPSS Percentile
98.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.3351 is in the 99th percentile among its peer group of 26,219 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

packetstormsecurity.com / files/148127/Joomla-2.4.0-Gridbox-Cross-Site-Scripting.html
ExploitThird Party AdvisoryVDB Entry
seclists.org / fulldisclosure/2018/Jun/26
ExploitMailing ListThird Party Advisory
vel.joomla.org / resolved/2155-gridbox-com-gridbox-multiple-vulnerabilities
Vendor Advisory
vulmon.com / vulnerabilitydetails
ExploitThird Party Advisory
securityfocus.com / archive/1/542066/100/0/threaded
ExploitThird Party AdvisoryVDB Entry