Security readout for executives and security teams
Plain-English summary
Eyoucms v1.4.7 and earlier is reported to allow cross-site scripting through the addonfieldext parameter. This could let an attacker run script in a user's browser if they can get the vulnerable page to render malicious input. The source bundle does not provide CVSS, patch status, or evidence of active exploitation.
Executive priority
Treat as a targeted follow-up item, not an emergency based on current evidence. Prioritize confirmation if Eyoucms is internet-facing or used by privileged administrators, because XSS can expose sessions or enable browser-based actions.
Technical view
CVE-2020-28146 describes an XSS issue in Eyoucms v1.4.7 and earlier tied to addonfieldext. Public references include Exploit-DB, a GitHub issue, and an Eyoucms page, but the bundle does not include affected CPEs, CWE mapping, CVSS scoring, or explicit remediation details.
Likely exposure
Exposure is most likely for organizations running Eyoucms v1.4.7 or earlier, especially if affected pages are reachable by untrusted users. The source data does not identify hosting patterns, authentication requirements, or exact affected routes.
Exploitation context
The source bundle includes an Exploit-DB reference, so public exploit information exists. However, CISA KEV is false and no cited source in the bundle states active exploitation in the wild.
Researcher notes
The record is sparse: severity, CWE, CPE, authentication context, and patch details are not provided. Analysis should stay anchored to Eyoucms v1.4.7 and earlier, addonfieldext, and the listed public references until vendor or maintainer evidence adds detail.
Mitigation direction
- Identify any Eyoucms deployments and confirm their exact versions.
- Check Eyoucms vendor guidance for a fixed release or supported workaround.
- Prioritize upgrade or replacement if running v1.4.7 or earlier.
- Restrict access to affected management surfaces while remediation is assessed.
- Monitor for requests involving addonfieldext until resolved.
Validation and detection
- Inventory public and internal sites for Eyoucms use.
- Verify whether any deployment runs v1.4.7 or earlier.
- Review logs for suspicious requests referencing addonfieldext.
- Use approved scanning or code review to confirm output encoding.
- Document whether vendor remediation exists for your installed version.
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-2020-28146 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.exploit-db.com/exploits/48530CVE reference · x_refsource_MISC
- https://github.com/eyoucms/eyoucms/issues/12CVE reference · x_refsource_MISC
- https://www.eyoucms.com/ask/list_1_0/4511.htmlCVE 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.