Xmind 2020 - Persistent Cross-Site Scripting

published 2026-01-16 9 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-2866

cvss: 6.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 32%
public exploits: 0; none known

Xmind 2020 contains a cross-site scripting vulnerability that allows attackers to inject malicious payloads into mind mapping files or custom headers. Attackers can craft malicious files with embedded JavaScript that execute system commands when opened, enabling remote code execution through mouse interactions or file opening.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 9 mo ago (2026-01-16)

Exploit prediction

0.39% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

exploit-db.com https://www.exploit-db.com/exploits/49827 referenced PoC, tagged "exploit" by a source, unverified
imgur.com https://imgur.com/a/t96Nxo5 referenced PoC, tagged "exploit" by a source, unverified
vulncheck.com https://www.vulncheck.com/advisories/xmind-persistent-cross-site-scripting referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	5.1	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
CNA	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CNA	4.0	5.1	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

Affected products

Xmind Xmind

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

exploit-db.com /exploits/49827
exploit
imgur.com /a/t96Nxo5
exploit
vulncheck.com /advisories/xmind-persistent-cross-site-scripting
third-party-advisory, exploit
xmind.net /
product

Sources

CVE List CVE-2021-47844
NVD CVE-2021-47844

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary