Security readout for executives and security teams
Plain-English summary
KiteCMS 1.1.1 has an authenticated admin flaw that can let a remote administrator overwrite files outside the intended template path. Because the overwrite can include PHP content, a compromised or malicious admin account could materially affect site integrity and possibly application behavior.
Executive priority
Treat this as high priority if KiteCMS 1.1.1 is deployed, especially on internet-facing sites. The issue requires admin privileges, but the potential impact includes arbitrary file overwrite and site compromise risk.
Technical view
The CVE describes directory traversal in `index.php/admin/Template/fileedit`. A remote administrator can place `../` in the `path` parameter and submit PHP code through the `html` parameter, allowing arbitrary file overwrite. The source bundle does not provide CVSS, CWE, patch, or fixed-version details.
Likely exposure
Exposure appears limited to KiteCMS 1.1.1 installations where the admin interface is reachable and an attacker has administrator access. The bundle does not identify other affected products or versions.
Exploitation context
CISA KEV status is false, and the provided sources do not state active exploitation. A public GitHub issue is referenced, but the bundle does not establish weaponization or in-the-wild use.
Researcher notes
Evidence is sparse: no CVSS vector, CWE, patch reference, or exploit-status detail is included. Analysis should stay scoped to KiteCMS 1.1.1 and the named admin template file-edit path.
Mitigation direction
- Confirm whether KiteCMS 1.1.1 is in use.
- Restrict admin interface access to trusted networks or VPN.
- Review vendor project guidance for a fixed version or advisory.
- Harden filesystem permissions around web-writable and executable paths.
- Audit administrator accounts and enforce strong access controls.
Validation and detection
- Inventory sites and confirm KiteCMS version information.
- Check whether the admin template editor is reachable externally.
- Review web logs for unusual template file edit activity.
- Inspect recent file changes outside expected template directories.
- Validate filesystem permissions prevent broad web process writes.
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.
File access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-31731 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/Kitesky/KiteCMS/issues/9CVE 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.