Security readout for executives and security teams
Plain-English summary
CVE-2013-5313 is a CSRF flaw in BigTree CMS administration. If an authenticated administrator is tricked into submitting a forged user-edit request, an attacker could cause changes to arbitrary user accounts. The public data does not show active exploitation or a CVSS score.
Executive priority
Treat this as a targeted admin-console risk, not an internet-wide emergency. Prioritize remediation if BigTree CMS admin access is still in use, especially where administrator accounts can change privileged users.
Technical view
The issue affects core/admin/modules/users/update.php in BigTree CMS 4.0 RC2 and earlier. The vulnerable edit-user action lacked sufficient CSRF protection, allowing remote attackers to abuse an administrator's authenticated browser session to modify user accounts. A BigTree CMS commit is cited, but the bundle does not name a fixed release.
Likely exposure
Exposure is likely limited to organizations still running BigTree CMS 4.0 RC2 or earlier with the admin interface reachable to administrators. The affected product metadata in the bundle is incomplete, so confirm directly against deployed BigTree CMS versions and code.
Exploitation context
No KEV listing or provided source reports active exploitation. Exploitation would require a logged-in administrator to interact with attacker-controlled content or a malicious link that causes an unwanted user-edit request.
Researcher notes
The record is sparse: no CVSS, no CWE, incomplete affected metadata, and no named fixed release. The vulnerability description and confirmation commit are the main evidence. Avoid overstating impact beyond authenticated administrator CSRF leading to arbitrary user account modification.
Mitigation direction
- Identify any BigTree CMS 4.0 RC2 or earlier deployments.
- Review the referenced BigTree CMS commit and upgrade to a release containing the fix.
- Limit administrative interface access to trusted networks or VPN while remediation is pending.
- Check vendor guidance because the source bundle does not name a fixed release.
Validation and detection
- Confirm the deployed BigTree CMS version and admin module code state.
- Verify user update actions enforce CSRF token validation.
- Review admin account changes around the disclosure and remediation window.
- Confirm administrators cannot modify users through cross-site requests without valid anti-CSRF controls.
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
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CVE-2013-5313 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
- https://github.com/bigtreecms/BigTree-CMS/commit/4b0faa90fa8b9e1776c86db716894dcd7e6b4834CVE reference · x_refsource_CONFIRM
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.