Security readout for executives and security teams
CVE-2017-20027 is a DOM-based cross-site scripting issue in HumHub 1.0.0 and 1.0.1. A remote attacker could trick a user into interacting with crafted content, causing browser-side script behavior that may affect page integrity. The rated impact is medium, not a confirmed business-critical emergency. Exposure is limited to organizations running HumHub 1.0.0 or 1.0.1, especially public or semi-public community portals where users follow links or interact with untrusted content. The source bundle does not identify affected modules, CPEs, or deployment-specific prerequisites. Treat this as a scheduled but real remediation item. It is publicly documented and remotely triggerable, but rated medium and requires user interaction. Patch affected HumHub portals promptly, with higher urgency for internet-facing communities or environments where account integrity matters. Mitigation focus: Upgrade affected HumHub instances from 1.0.0 or 1.0.1 to 1.1.1 or later.; Check HumHub vendor guidance for any additional hardening or configuration recommendations.; Prioritize internet-facing communities and instances accepting untrusted user input..
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
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ATT&CK lookup starting points
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CWE-80: User-session and phishing behavior lookup
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Open ATT&CK lookupCVE-2017-20027 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 4.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CNA and ADP enrichment extracted from CVE v5
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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:U/C:N/I:L/A:N2.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://vuldb.com/?id.98924CVE reference · x_refsource_MISC
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 Script-Related HTML Tags in a Web Page (Basic XSS)
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.