Security readout for executives and security teams
Plain-English summary
GetSimple CMS 3.2.1 lets a logged-in user upload a file that the web server may execute as code. If an attacker obtains any suitable CMS account, they could potentially take control of the site. The source bundle does not identify a vendor patch or active exploitation.
Executive priority
Treat as high priority for any live GetSimple CMS 3.2.1 site. The issue can turn a compromised or misused CMS account into full site compromise, and public exploit material lowers attacker effort.
Technical view
The vulnerability is an authenticated arbitrary file upload in upload.php caused by blacklist-based file filtering. A PHP-executable uploaded file can land under the web root and be invoked through the web server, enabling remote code execution. CVSS 4.0 is 8.7 with low privileges required and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to GetSimple CMS 3.2.1 deployments, especially internet-facing sites where authenticated CMS users can access uploads and the web server executes uploaded script-like files.
Exploitation context
The bundle cites public exploit references and third-party IPS/advisory coverage, supporting practical exploitability. It does not show CISA KEV listing or other evidence of active exploitation in the wild.
Researcher notes
Patch status is not established in the provided sources. CWE-306 appears inconsistent with the authenticated description and CVSS PR:L; validate against the CVE record. Focus assessment on version confirmation, upload access, web-root execution behavior, and evidence of suspicious uploaded files.
Mitigation direction
- Check GetSimple CMS guidance for a supported upgrade or remediation path.
- Remove or replace GetSimple CMS 3.2.1 if no supported fix is available.
- Restrict CMS admin and upload access to trusted users and networks.
- Prevent script execution from upload directories where operationally supported.
- Review CMS accounts and remove unnecessary or weakly controlled access.
Validation and detection
- Inventory public and internal sites for GetSimple CMS 3.2.1.
- Confirm whether authenticated users can reach upload.php.
- Inspect upload directories for unexpected executable or script-like files.
- Review web logs for upload activity followed by direct file access.
- Confirm web server handling of uploaded file types in CMS paths.
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.
CWE-306: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCWE-434: File access and web shell behavior lookup
File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupFile 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-2013-10032 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
- High
- CVSS
- 8.7 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
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 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:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
8.7HighVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source materials
- CVE List V5 sourceCVE List V5
- https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/unix/webapp/get_simple_cms_upload_exec.rbCVE reference · exploit
- https://www.exploit-db.com/exploits/25405CVE reference · exploit
- https://www.broadcom.com/support/security-center/attacksignatures/detail?asid=27895CVE reference · third-party-advisory
- https://www.fortiguard.com/encyclopedia/ips/39295CVE reference · third-party-advisory
- https://get-simple.info/CVE reference · product
- https://www.vulncheck.com/advisories/getsimple-cms-auth-rce-via-arbitrary-php-file-uploadCVE reference · third-party-advisory
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.
Missing Authentication for Critical Function
Missing Authentication for Critical Function represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
Unrestricted Upload of File with Dangerous Type
Unrestricted Upload of File with Dangerous Type represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.