CVE•Published 2026-08-10•Modified 2026-09-08•1 article on news•5 live references•NVD data
CVE-2026-72730
Vulnerability data via NVD (ingested)
CVSS v3.1
8.7
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
EPSS percentile
15
Exploit Prediction Scoring System · top 85% of all CVEs
Weaknesses (CWE)
Description
Discourse is an open-source discussion platform. Prior to 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0, the Rich Text Editor rendered a chat-transcript username as HTML, allowing stored cross-site scripting. This issue is fixed in versions 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0.
Timeline
Published 2026-08-10
Modified 2026-09-08
External references
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).
More intel sources (5)
Shodan report
vuln:CVE-2026-72730Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-72730Censys host search filtered to this CVE id.
grep.app
CVE-2026-72730Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-72730GitHub code search for direct mentions.
Google dork
"CVE-2026-72730" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-72730 on GitHub.