Security readout for executives and security teams
Plain-English summary
This is a Backdrop CMS cross-site scripting issue in the content creation interface. A user who can administer content types could create a malicious content type name that runs script when an editor creates content. The privilege requirement lowers broad internet risk, but compromised or over-permissioned admin accounts could still create business impact.
Executive priority
Prioritize remediation during normal security maintenance unless affected sites allow broad content type administration. Escalate if privileged accounts are shared, externally managed, or suspected compromised.
Technical view
Backdrop CMS 1.13.x before 1.13.5 and 1.14.x before 1.14.2 insufficiently filters content type names when rendering the content creation interface, enabling XSS against editors. The source states exploitation requires the "Administer content types" permission. No CVSS, CWE, or vendor-described exploit activity is included in the bundle.
Likely exposure
Exposure is likely limited to Backdrop CMS sites on the affected version branches where users beyond fully trusted administrators hold content type administration rights.
Exploitation context
The provided sources do not cite active exploitation, and the CVE is not listed as KEV. Treat exploit status as unknown beyond the vendor-described XSS condition.
Researcher notes
The key constraint is privilege-gated XSS. Validate version exposure and permission boundaries first. The bundle does not provide CVSS scoring, CWE mapping, exploit evidence, or detailed patch mechanics beyond fixed Backdrop CMS versions.
Mitigation direction
- Upgrade Backdrop CMS 1.13.x to 1.13.5 or later.
- Upgrade Backdrop CMS 1.14.x to 1.14.2 or later.
- Restrict "Administer content types" to trusted administrators only.
- Review content type administration permissions for unnecessary assignments.
- Check vendor guidance before applying compensating controls.
Validation and detection
- Inventory Backdrop CMS versions across production and staging sites.
- Confirm affected branches are upgraded past the fixed versions.
- Review roles with "Administer content types" permission.
- Inspect recent content type changes by privileged users.
- Verify editors can create content normally after upgrade.
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-2019-19900 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://backdropcms.org/security/backdrop-sa-core-2019-014CVE 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.