Security readout for executives and security teams
Plain-English summary
Xmind 2020 can be abused through malicious mind map content. If a user opens or interacts with a crafted file, embedded script may run in a way that affects confidentiality and integrity. This is not listed in CISA KEV, and the sources do not show active exploitation.
Executive priority
Treat this as a moderate-priority endpoint risk. It needs attention where Xmind 2020 is used with external files, but current sources do not support emergency response language. Prioritize inventory, user exposure reduction, and vendor remediation checks.
Technical view
CVE-2021-47844 is a persistent cross-site scripting issue in Xmind 2020, tracked as CWE-79. The CVSS 3.1 score is 6.1 with user interaction required. Public references describe malicious Xmind files or custom headers containing JavaScript, with potential command execution behavior when opened or interacted with.
Likely exposure
Exposure is most likely where Xmind 2020 is installed and users exchange or open untrusted mind map files. This is primarily a client-side file-handling risk, not a typical internet-facing server exposure. The provided sources identify Xmind 2020 only.
Exploitation context
A public ExploitDB entry and proof-of-concept video are referenced, so technical details are publicly available. However, KEV is false and no cited source confirms active exploitation. Successful abuse requires user action, such as opening or interacting with crafted content.
Researcher notes
The source bundle names Xmind 2020 as affected and cites public exploit material. It does not provide a vendor security advisory, fixed version, or confirmed patch. Avoid assuming broader Xmind versions are affected without additional vendor evidence.
Mitigation direction
- Inventory endpoints for Xmind 2020 installations.
- Check Xmind guidance for fixed or supported versions.
- Limit opening Xmind files from untrusted sources.
- Use email and web controls to flag unexpected Xmind files.
- Consider removing Xmind 2020 where business use is unnecessary.
Validation and detection
- Confirm whether Xmind 2020 is installed on managed endpoints.
- Review file-sharing channels for externally supplied Xmind files.
- Verify endpoint controls inspect or quarantine suspicious Xmind attachments.
- Check vendor resources for update or remediation status.
- Document business owners for systems retaining Xmind 2020.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-47844 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N2.82.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.1MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-49827CVE reference · exploit
- Official Xmind Product HomepageCVE reference · product
- Proof of Concept VideoCVE reference · exploit
- VulnCheck Advisory: Xmind 2020 - Persistent Cross-Site ScriptingCVE reference · third-party-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.