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MEDIUM

CVE-2018-11690

CVSS v3

6.1

MEDIUM

EPSS Score

33.5 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2018-11690 yet.

Full record on NVD

Description

The Balbooa Gridbox extension version 2.4.0 and previous versions for Joomla! is vulnerable to cross-site scripting, caused by improper validation of user-supplied input. A remote attacker could exploit this vulnerability via a crafted URL to execute script in a victim's Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials.

Technical details

Published
2018-06-14

Frequently asked questions

What is CVE-2018-11690?

The Balbooa Gridbox extension version 2.4.0 and previous versions for Joomla! is vulnerable to cross-site scripting, caused by improper validation of user-supplied input. A remote attacker could exploit this vulnerability via a crafted URL to execute script in a victim's Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials.

Is CVE-2018-11690 actively exploited?

Active exploitation of CVE-2018-11690 has not been confirmed. Its EPSS score was 33.5% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-11690?

CVE-2018-11690 has a CVSS v3 base score of 6.1 (MEDIUM severity).

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