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Fencer Intel
medium 6.1

CVE-2018-11690 json

The Balbooa Gridbox extension version 2.4.0 and previous versions for Joomla!

published 8y ago modified 4mo ago also EUVD-2018-3709

cvss
6.1
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
32.9%
EPSS 32.9% chance of exploitation in 30 days, percentile 98%
public exploits
0
none known

Summary

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.

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Exploit prediction

32.93% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • seclists.org http://seclists.org/fulldisclosure/2018/Jun/26 referenced PoC, tagged "exploit" by a source, unverified
  • vulmon.com https://vulmon.com/vulnerabilitydetails?qid=CVE-2018-11690 referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/148127/Joomla-2.4.0-Gridbox-Cross-Site-Scripting.html referenced PoC, tagged "exploit" by a source, unverified
  • securityfocus.com http://www.securityfocus.com/archive/1/542066/100/0/threaded referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 6.1 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.