Security readout for executives and security teams
This is an old cross-site scripting issue in cPanel 9.1 and earlier. A remote attacker could abuse the login page’s user parameter to inject script or HTML, potentially affecting users who interact with a crafted login URL. The source bundle does not provide CVSS, confirmed exploitation, or a named fix. Exposure is most likely where legacy cPanel 9.1 or earlier login pages remain reachable, especially on internet-facing hosting administration endpoints. Current exposure cannot be inferred from the source bundle alone. Treat this as a legacy exposure cleanup item. It is not KEV-listed in the supplied data, but exposed old hosting control panels can create account and operational risk. Mitigation focus: Identify any cPanel 9.1 or earlier systems in the environment.; Check cPanel vendor guidance for supported upgrade or remediation paths.; Limit external access to cPanel login pages where operationally feasible..
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
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CVE-2005-2021 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
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.