Paper/Archive/CVE-2026-65888

CVE-2026-65888

balbooa.com Gridbox extension for Joomla — Joomla Extension - balbooa.com - Account takeover vulnerability in Gridbox < 2.20.2

EPSS 0.5%CVSS 10.0

critical.is priorityof 100

CVSS 10.0 (CNA)10.0 / 10 × 3030.0 Not in CISA KEV+300.0 EPSS percentile 43.9.439 × 208.8 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

Joomla Extension - balbooa.com - Account takeover vulnerability in Gridbox < 2.20.2 - The socialLogin method allows actors to login as any given user on the target site.

Affected

ProductAffectedFixed inSource

Gridbox extension for Joomla1.0.0-2.20.1–CNA

Scores by source

Joomla (CNA)10.0CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/AU:Y/U:Red

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refbalbooa.com/gridbox writeupmysites.guru/blog/gridbox-23-critical-vulnerabilities