Public vulnerability disclosure

CVE-2026-105607

Joomla Extension - balbooa.com - Unauthenticated stored XSS in the "Recent Comments / Recent Reviews" widget in Gridbox < 2.20.5.0

publishedCWE-79

Joomla Extension - balbooa.com - Unauthenticated stored XSS in the "Recent Comments / Recent Reviews" widget in Gridbox < 2.20.5.0

Technical severity8.6 highCVSS 4.0 · CNA: Joomla
Published2026-11-05Source updated 2026-11-05
Collected2026-11-051 attributed source

Fixes and workarounds

No remediation reported in collected sources.

Missing remediation information is not evidence that no patch exists.

Affected products and versions

Affected products, source version ranges and reporting authorities
ProductVersionsAuthority
Gridbox extension for Joomla
balbooa.com
com_gridbox
1.0.0-2.20.4.2 (affected)
Other versions: unaffected
CNA: Joomla

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

CVSS scores, vectors and reporting authorities
Version / scoreVectorAuthority
4.0 / 8.6
high
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:L/SC:N/SI:N/SA:NCNA: Joomla

Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

References

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