Security readout for executives and security teams
Plain-English summary
OpenEMR versions before 5.0.1 Patch 6 include a vulnerable flashcanvas.swf file that could let a remote unauthenticated attacker trigger cross-site scripting against a targeted user. The bundle does not provide CVSS, CWE, or confirmed exploitation evidence.
Executive priority
Treat this as a required maintenance fix for any exposed OpenEMR system. Business urgency is moderate because it is unauthenticated XSS in healthcare software, but current exploitation evidence is not shown in the provided sources.
Technical view
CVE-2018-18035 is an XSS issue in flashcanvas.swf affecting OpenEMR before 5.0.1 Patch 6. The public record describes unauthenticated remote attack capability, but the provided affected-product metadata is incomplete and does not include technical root-cause details.
Likely exposure
Exposure is most likely on OpenEMR deployments older than 5.0.1 Patch 6, especially internet-facing systems. The bundle’s affected-product table is incomplete, so validate against installed OpenEMR versions rather than relying on CPE data.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. Public references include OpenEMR patch information and a Purplemet vulnerability write-up, but no exploitation status is provided here.
Researcher notes
The record lacks CVSS, CWE, CPE, and root-cause detail. Validate scope through installed OpenEMR versions and vendor patch notes. Do not assume broader product impact beyond OpenEMR before 5.0.1 Patch 6.
Mitigation direction
- Upgrade OpenEMR to 5.0.1 Patch 6 or later.
- Review the OpenEMR patch page for vendor-specific guidance.
- Prioritize internet-facing OpenEMR instances first.
- If upgrade is delayed, ask the vendor for supported interim controls.
Validation and detection
- Inventory OpenEMR instances and record exact versions.
- Confirm no deployment remains below 5.0.1 Patch 6.
- Check whether OpenEMR is reachable from the internet.
- Review logs for unusual requests involving flashcanvas.swf.
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-2018-18035 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://www.open-emr.org/wiki/index.php/OpenEMR_PatchesCVE reference · x_refsource_CONFIRM
- https://www.purplemet.com/blog/openemr-xss-vulnerabilityCVE 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.