Security readout for executives and security teams
Plain-English summary
CVE-2022-50891 is a cross-site scripting issue in Skyjos Owlfiles File Manager 12.0.1. A malicious link can cause script to run in a user’s browser when they interact with the app’s HTTP server endpoints. Business risk is mainly user-session abuse or misleading content, not direct server takeover.
Executive priority
Treat this as a moderate-priority endpoint and mobile-app exposure issue. Prioritize environments where Owlfiles HTTP server access is enabled or reachable by untrusted users. There is public exploit information, but no cited evidence of active exploitation in the supplied sources.
Technical view
The issue is CWE-79 XSS in the path parameter used by Owlfiles File Manager 12.0.1 HTTP server download and list endpoints. CVSS v4.0 is 5.1 with network attack vector, low complexity, no privileges required, and user interaction required. Public exploit information exists, but the provided sources do not show active exploitation.
Likely exposure
Exposure is most likely where Owlfiles File Manager 12.0.1 is installed and its HTTP server feature is reachable by untrusted users or networks. Risk is lower if the feature is disabled, local-only, or otherwise access-controlled. The sources identify only version 12.0.1 as affected.
Exploitation context
An attacker would need a victim to open or interact with a crafted URL targeting the vulnerable Owlfiles HTTP server endpoint. The provided bundle includes an Exploit-DB reference, indicating public technical details exist. CISA KEV status is false in the bundle, so active exploitation is not established here.
Researcher notes
Evidence is limited to the CVE record, VulnCheck advisory, Exploit-DB reference, vendor homepage, and App Store listing. The bundle does not name a fixed version or vendor patch. Do not assume broader product impact beyond Owlfiles File Manager 12.0.1 without additional vendor confirmation.
Mitigation direction
- Identify whether Owlfiles File Manager 12.0.1 is used in your environment.
- Check Skyjos and app store guidance for updated versions or vendor remediation.
- Disable the Owlfiles HTTP server feature if it is not required.
- Restrict HTTP server access to trusted networks and users only.
- Warn users not to open unexpected Owlfiles HTTP server links.
Validation and detection
- Confirm installed Owlfiles File Manager versions on managed devices.
- Verify whether the app’s HTTP server feature is enabled.
- Review network exposure of any reachable Owlfiles HTTP server endpoints.
- Check vendor and app store listings for available updates.
- Assess browser-side impact using authorized, non-destructive validation only.
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-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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 lookupCVE-2022-50891 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
- Medium
- CVSS
- 5.1 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/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:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
5.1MediumVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-51036CVE reference · exploit
- Vendor HomepageCVE reference · product
- Official App Store ListingCVE reference · product
- VulnCheck Advisory: Owlfiles File Manager 12.0.1 Cross-Site Scripting via HTTP ServerCVE 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.