CVEvulnerability
CVE-2021-47836
5.1 MEDIUM
Official page ↗
- Status
- Deferred
- Published
- 2026-01-16
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 5.1 MEDIUM — CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/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
- CVSS 3.1 ([email protected])
- 6.1 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Weaknesses
- CWE-79
Description
Markdown Explorer 0.1.1 contains a cross-site scripting vulnerability that allows attackers to inject malicious code through file uploads and editor inputs. Attackers can upload markdown files with embedded JavaScript payloads that execute in the application's privileged renderer context, allowing code execution on the host.
Related
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness
References
- https://github.com/jersou/markdown-explorer github.com
- https://imgur.com/a/w4bcPWs imgur.com
- https://www.exploit-db.com/exploits/49826 www.exploit-db.com
- https://www.vulncheck.com/advisories/markdown-explorer-persistent-cross-site-scripting www.vulncheck.com
- https://www.vulncheck.com/advisories/markdown-explorer-persistent-cross-site-scripting www.vulncheck.com