Security readout for executives and security teams
Plain-English summary
ValidFormBuilder 4.5.4 is reported to contain a PHP object injection flaw tied to unsafe unserialize handling. If reachable in an application, the issue could allow remote unauthorized command execution or file disclosure. Public source data does not provide CVSS scoring, a fixed version, or confirmed exploitation.
Executive priority
Treat as high priority if ValidFormBuilder 4.5.4 is in production, especially on internet-facing PHP sites. The business concern is potential remote command execution and file disclosure, but urgency should be calibrated after confirming actual use and reachability.
Technical view
The CVE describes PHP object injection in ValidFormBuilder 4.5.4 through a Valid Form unserialize method. The stated impacts are possible remote system command execution and filesystem content disclosure. The source bundle does not identify CPEs, detailed preconditions, exploit maturity, or remediation specifics.
Likely exposure
Exposure is most likely in PHP applications that include ValidFormBuilder 4.5.4 and pass attacker-controlled data into the affected Valid Form unserialize path. The provided data does not confirm specific platforms, package names, or internet-facing routes.
Exploitation context
CISA KEV status is false in the bundle, and no cited source confirms active exploitation. The reported impact is serious, but public evidence provided here is limited to the CVE description and the referenced GitHub issue.
Researcher notes
The bundle lacks CVSS, CWE mapping, CPEs, patch details, and exploit confirmation. Analysis should focus on dependency presence, reachable unserialize flows, and whether application gadget chains or included classes make the reported impact feasible.
Mitigation direction
- Inventory PHP applications for ValidFormBuilder 4.5.4 usage.
- Review the vendor GitHub issue and CVE record for fixed releases or guidance.
- If present, prioritize upgrade, removal, or replacement based on vendor guidance.
- Reduce external access to affected form handling until remediation is confirmed.
- Avoid passing untrusted data to PHP unserialize paths.
Validation and detection
- Check dependency manifests and deployed vendor libraries for ValidFormBuilder 4.5.4.
- Identify forms or routes using Valid Form unserialize handling.
- Confirm whether affected code is reachable by unauthenticated or external users.
- Review logs for suspicious file access or command execution indicators.
- Document compensating controls if no vendor fix is available.
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-2018-1000059 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/validformbuilder/validformbuilder/issues/126CVE 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.