CVEvulnerability
CVE-2021-47840
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:L/UI:P/VC:L/VI:L/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])
- 7.2 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
- Weaknesses
- CWE-79
Description
Moeditor 0.2.0 contains a persistent cross-site scripting vulnerability that allows attackers to store malicious payloads within markdown files. Attackers can upload specially crafted markdown files with embedded JavaScript that execute when opened, potentially enabling remote code execution on the victim's system.
Related
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness
References
- https://imgur.com/a/UdP4JaX imgur.com
- https://moeditor.js.org/ moeditor.js.org
- https://www.exploit-db.com/exploits/49830 www.exploit-db.com
- https://www.vulncheck.com/advisories/moeditor-persistent-cross-site-scripting www.vulncheck.com
- https://www.vulncheck.com/advisories/moeditor-persistent-cross-site-scripting www.vulncheck.com