CVE-2021-36703
Published: 03 August 2021
Summary
CVE-2021-36703 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Htmly Htmly. Its CVSS base score is 6.1 (Medium).
Operationally, ranked at the 44.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-23298
Vulnerability details
The "blog title" field in the "Settings" menu "config" page of "dashboard" in htmly 2.8.1 has a storage cross site scripting (XSS) vulnerability. It allows remote attackers to send an authenticated post HTTP request to admin/config and inject arbitrary web…
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script or HTML through a special website name.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.