Security readout for executives and security teams
Plain-English summary
Graylog versions before 2.4.4 had a cross-site scripting issue in notification text handling. If abused, malicious content could run in a user's browser while they use Graylog. The source bundle does not provide severity scoring, active exploitation evidence, or detailed attack prerequisites.
Executive priority
Treat this as a targeted hygiene item for legacy Graylog deployments. Prioritize remediation if Graylog is internet-accessible, used by privileged operators, or still below v2.4.4. Current sources do not support emergency active-exploitation status.
Technical view
The CVE describes unescaped text in Graylog notifications, related to toastr and util/UserNotification.js, fixed before or in Graylog v2.4.4. No CVSS, CWE, detailed affected CPEs, or exploitation telemetry are provided in the supplied sources.
Likely exposure
Exposure is most relevant for organizations still running Graylog before v2.4.4. The bundle does not identify specific editions, deployment modes, user roles, or configuration requirements beyond the pre-2.4.4 version boundary.
Exploitation context
The CVE is not listed as KEV in the bundle, and the supplied sources do not claim active exploitation. Risk depends on whether attacker-controlled or unsafe notification text can be rendered to Graylog users.
Researcher notes
Evidence is sparse. The useful anchors are the CVE description, Graylog v2.4.4 release announcement, and GitHub PR 4727. Avoid assuming exploitability, authentication requirements, persistence, or impact beyond notification XSS without reviewing the patch and environment.
Mitigation direction
- Upgrade Graylog to v2.4.4 or a supported later release.
- Review the Graylog v2.4.4 announcement and linked fix for vendor context.
- Restrict Graylog administrative access to trusted users and networks.
- Monitor vendor guidance for any additional remediation details.
Validation and detection
- Inventory Graylog instances and record exact server versions.
- Confirm no production instance runs a version before 2.4.4.
- Review change records for the v2.4.4 upgrade or later migration.
- Check Graylog notifications-related customizations for unsafe HTML handling.
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-2018-11650 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/Graylog2/graylog2-server/pull/4727CVE reference · x_refsource_MISC
- https://www.graylog.org/post/announcing-graylog-v2-4-4CVE 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.