Dashboard / CVE-2026-107903

CVE-2026-107903

HIGH
MEDIUM Priority: 0.03 BB Relevance: 67/100
Published: 2026-11-05 Modified: 2026-11-06 First seen: 2026-11-05 Status: active

Attack Surface

Network Low Complexity No Auth Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: Active
S: X
AT: None
VC: High
VI: High
VA: Low

Description

Joomla Extension - balbooa.com - Stored XSS in reviews via inconsistent sanitization in Gridbox < 2.20.5.0

Weakness Classification (1)

Affected Software (3)

VendorProductVersion
balbooa.com Gridbox extension for Joomla 1.0.0-2.20.4.2
balbooa.com Gridbox extension for Joomla 1.0.0-2.20.4.2
balbooa.com Gridbox extension for Joomla 1.0.0-2.20.4.2

References & Advisories (1)

Bug Bounty Relevance

67 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity

CVSS Score

8.6 / 10.0 v4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS — Exploitation Probability

0.34%
Raw Score 0.003390
Percentile 27.7%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00339
2026-11-12
0.00339
2026-11-10
0.00339
2026-11-09
0.00339
2026-11-08
0.00339
2026-11-07
0.00339
2026-11-06
0.00339

Intelligence Sources

mitre ref →
nvd ref →

External Links