Security readout for executives and security teams
Plain-English summary
Learning Locker 3.15.1 can reflect attacker-controlled path content into the dashboard page DOM. If exposed, this could let malicious HTML or JavaScript run in a user's browser under the site's context. The bundle does not name a fixed version or confirm exploitation in the wild.
Executive priority
Prioritize remediation for internet-facing or sensitive Learning Locker instances. The issue can affect browser trust in dashboard sessions, but the sources do not confirm active exploitation or provide patch details.
Technical view
CVE-2019-12834 is reported as DOM HTML/JavaScript injection via PATH_INFO on the dashboards/ URI in HT2 Labs Learning Locker 3.15.1. CVSS 3.0 is 7.3 high, with network access, low attack complexity, no privileges, and low confidentiality, integrity, and availability impact.
Likely exposure
Exposure is most likely where Learning Locker 3.15.1 dashboards are reachable over a network, especially from the internet or by privileged users. The provided affected metadata is incomplete, so confirm product and version directly from deployment records.
Exploitation context
The source bundle does not show CISA KEV listing or cite active exploitation. The vulnerability is still concerning because it is network reachable and unauthenticated per CVSS, but exploit status should be treated as unconfirmed from these sources.
Researcher notes
The record names Learning Locker 3.15.1 and a DOM injection vector, but affected CPE data and remediation details are absent. Treat version scoping and fix availability as evidence gaps requiring vendor or repository confirmation.
Mitigation direction
- Check vendor or project guidance for fixed versions or official remediation.
- Upgrade Learning Locker if an official fixed release is available.
- Restrict access to dashboard routes to trusted networks or authenticated users.
- Add routing or WAF controls for unexpected dashboards PATH_INFO while patching.
- Review custom reverse proxy rules that pass untrusted path data unchanged.
Validation and detection
- Inventory Learning Locker deployments and confirm whether version 3.15.1 is present.
- Confirm whether dashboards/ routes are externally reachable.
- Verify dashboard pages safely encode unexpected path segments in a test environment.
- Review security logs for unusual dashboards/ path requests.
- Document compensating controls if no vendor fix is available.
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
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CVE-2019-12834 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 7.3 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AC:L/AV:N/A:L/C:L/I:L/PR:N/S:U/UI: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:3.0/AC:L/AV:N/A:L/C:L/I:L/PR:N/S:U/UI:N3.93.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
7.3HighVector: CVSS:3.0/AC:L/AV:N/A:L/C:L/I:L/PR:N/S:U/UI:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/miruser/Roche-CVEs/blob/master/CVE-2019-12834.mdCVE 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.