Security readout for executives and security teams
Plain-English summary
NoneCMS v1.3 is reported to let a forged admin request add a navigation item containing HTML or script. If an administrator is tricked while logged in, malicious content could be stored and later executed in users' browsers. The public record does not provide CVSS, CPEs, or a confirmed fixed release.
Executive priority
Treat this as a targeted web-application risk, not a broad internet emergency. Prioritize review if NoneCMS v1.3 is in production or admin access is exposed. Absence of CVSS and KEV evidence lowers certainty, but stored XSS in an admin workflow still warrants timely remediation.
Technical view
CVE-2020-23376 describes CSRF in public/index.php/admin/nav/add.html. The name parameter can accept arbitrary web script or HTML while adding a navigation column, producing stored XSS. The source bundle references CWE-352 for CSRF; no separate CWE, exploit maturity, or patch details are provided in the CVE data.
Likely exposure
Exposure appears limited to organizations running NoneCMS v1.3, especially where the admin interface is reachable and administrators browse while authenticated. The source bundle does not identify CPEs, deployment prevalence, or affected versions beyond NoneCMS v1.3.
Exploitation context
The bundle does not show KEV listing or cited evidence of active exploitation. The described attack depends on CSRF against an authenticated admin action and stored script/HTML handling. Public evidence is sparse and appears based mainly on the GitHub issue and CVE description.
Researcher notes
Evidence is incomplete: no CVSS vector, CPE, vendor advisory, fixed version, or exploit-in-the-wild source is included. Analysis should stay tied to NoneCMS v1.3 and the reported admin navigation add path. Validate behavior in an authorized test environment without publishing exploit steps.
Mitigation direction
- Check NoneCMS project guidance for a fixed version or security update.
- Restrict access to the admin interface to trusted networks or VPN.
- Add CSRF protection to state-changing admin actions if maintaining a fork.
- Sanitize and encode navigation name values before storage and rendering.
- Review existing navigation entries for unexpected HTML or script content.
Validation and detection
- Inventory systems for NoneCMS v1.3 deployments.
- Confirm public/index.php/admin/nav/add.html requires authentication and CSRF tokens.
- Review navigation records for injected markup or suspicious script content.
- Verify output encoding wherever navigation names are rendered.
- Check logs for unusual admin navigation changes around suspicious sessions.
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.
CVE-2020-23376 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
- 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
- https://github.com/nangge/noneCms/issues/35CVE reference · x_refsource_MISC
- https://cwe.mitre.org/data/definitions/352.htmlCVE 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.
