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CVE•Published 2026-07-29•Modified 2026-07-30•0 articles on news•5 live references•NVD data

CVE-2026-66490

Vulnerability data via NVD (ingested)

CVSS v3.1
6.1
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS percentile
—
Weaknesses (CWE)
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Description

Joomla Extension - balbooa.com - Stored cross-site scripting via a comment avatar in Gridbox < 2.20.2

Timeline
Published 2026-07-29
Modified 2026-07-30

External references

NVDMITREExploit-DBtrickest/cveVulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts
vuln:CVE-2026-66490
Hosts Shodan has explicitly fingerprinted as vulnerable.
More intel sources (5)
Shodan report
vuln:CVE-2026-66490
Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-66490
Censys host search filtered to this CVE id.
grep.app
CVE-2026-66490
Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-66490
GitHub code search for direct mentions.
Google dork
"CVE-2026-66490" exploit -site:nvd.nist.gov
Write-ups and news, NVD excluded.

Known PoCs on GitHub

No public proof-of-concept repositories found for CVE-2026-66490 on GitHub.
We haven't classified any articles referencing CVE-2026-66490 yet. The external references above still apply.