Security readout for executives and security teams
Plain-English summary
YUNUCMS 1.1.5 contains a flaw that can let an attacker delete files through a PHP upload/editor component. The public description demonstrates deletion of an installation lock file, which could disrupt site integrity or setup state. No severity score, patch version, or active exploitation evidence is provided in the source bundle.
Executive priority
Treat this as a targeted integrity risk for legacy YUNUCMS sites, especially public-facing ones. It does not have confirmed active exploitation in the provided sources, but arbitrary file deletion can cause outages or unsafe application state. Prioritize inventory, exposure reduction, and vendor-fix confirmation.
Technical view
The CVE describes arbitrary file deletion in YUNUCMS 1.1.5 within the UEditor PHP local storage handler. The vulnerable remove action accepts a key value that can include directory traversal, allowing deletion outside the intended file area. The bundle provides no CVSS, CWE, fixed release, or vendor advisory details.
Likely exposure
Exposure is most likely limited to internet-accessible YUNUCMS 1.1.5 deployments with the bundled UEditor PHP controller reachable. The CVE metadata affected-product fields are incomplete, but the description explicitly names YUNUCMS 1.1.5.
Exploitation context
The issue is publicly documented through a GitHub issue and CVE record. CISA KEV status is false in the bundle, and no cited source here confirms active exploitation. The described impact is arbitrary file deletion, not code execution.
Researcher notes
The public evidence is sparse: one GitHub issue, CVE text, no CVSS, no CWE, and incomplete affected-product metadata. Validate against real YUNUCMS 1.1.5 code and deployment routing. Avoid assuming broader versions or exploit prevalence without additional vendor or telemetry evidence.
Mitigation direction
- Identify any YUNUCMS 1.1.5 deployments and exposed UEditor PHP components.
- Check the upstream project or maintainer guidance for a fixed release or official mitigation.
- Restrict public access to vulnerable editor/controller paths where business use does not require it.
- Ensure backups and file-integrity monitoring cover webroot and application control files.
- Review whether the UEditor PHP upload component can be disabled safely.
Validation and detection
- Confirm whether deployed YUNUCMS versions match 1.1.5.
- Check whether the referenced UEditor PHP controller is reachable from untrusted networks.
- Review web logs for suspicious remove actions and traversal-like key values.
- Verify installation lock and other control files have not been unexpectedly removed.
- Document compensating controls if no vendor patch can be confirmed.
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.
File 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-2018-19181 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/doublefast/yunucms/issues/1CVE 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.