Security readout for executives and security teams
Plain-English summary
CVE-2022-38916 is a critical file-upload flaw reported in Pagekit 1.0.18. A remote attacker may be able to upload malicious files through the storage feature. The public CVE metadata is sparse, so urgency should be driven by whether Pagekit 1.0.18 is internet-facing or trusted with sensitive site content.
Executive priority
Treat as urgent for any internet-facing Pagekit 1.0.18 site. The risk is high-impact site compromise, but prioritization should confirm actual product presence because the CVE’s affected-product metadata is incomplete.
Technical view
The CVE describes CWE-434 unrestricted upload of dangerous file types in Pagekit 1.0.18 storage functionality. CVSS 3.1 is 9.8, with network access, low complexity, no privileges, no user interaction, and high confidentiality, integrity, and availability impact. The affected-product metadata is incomplete despite the description naming Pagekit 1.0.18.
Likely exposure
Exposure is most likely on deployments running Pagekit 1.0.18 where the storage feature or related upload paths are reachable, especially from the internet. The CVE record does not provide CPEs, deployment conditions, or authentication details beyond the CVSS vector.
Exploitation context
The source bundle does not show CISA KEV listing or other evidence of active exploitation. The CVSS vector indicates exploitation is theoretically unauthenticated, remote, and low complexity, but the public details provided are limited.
Researcher notes
Public evidence is limited to the CVE description and a GitHub issue reference. Do not assume affected versions beyond Pagekit 1.0.18 from the supplied sources. No patch version, exploit-in-the-wild evidence, or detailed vulnerable endpoint is provided in the bundle.
Mitigation direction
- Inventory Pagekit deployments and confirm whether version 1.0.18 is present.
- Check Pagekit vendor issue and release guidance for a fixed version or workaround.
- Restrict access to storage upload functionality while remediation guidance is confirmed.
- Review uploaded files and remove unauthorized content through approved incident procedures.
- Monitor web-accessible storage paths for unexpected new executable or script-like files.
Validation and detection
- Verify Pagekit version from application metadata or deployment records.
- Confirm whether storage upload functionality is enabled and externally reachable.
- Review web server and application logs for suspicious upload activity.
- Inspect storage directories for unexpected files created around exposure windows.
- Document whether compensating access controls protect upload 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-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 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-2022-38916 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
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/pagekit/pagekit/issues/970CVE 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.
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.