Security readout for executives and security teams
Plain-English summary
CVE-2018-6550 is a cross-site scripting issue in Monstra CMS through 3.0.4. A crafted page title could affect the admin page flow, creating risk that an administrator’s browser executes unintended script. The public record does not provide CVSS scoring or confirmed exploitation.
Executive priority
Treat this as a targeted CMS hygiene issue, not a broad emergency. Prioritize if Monstra CMS is internet-facing or used by administrators with sensitive access. Lack of scoring and exploit evidence lowers urgency, but XSS in admin workflows can still support account compromise.
Technical view
The CVE describes XSS in Monstra CMS through 3.0.4, specifically the title function in plugins/box/pages/pages.plugin.php, reached via a page title to admin/index.php. GitHub issue and commit references are cited, but the bundle does not state exploit prerequisites, fixed release number, or CWE classification.
Likely exposure
Exposure is limited to environments running Monstra CMS through 3.0.4, especially installations where page titles are created, edited, or rendered in admin/index.php. No other products are identified in the source bundle.
Exploitation context
The source bundle does not show active exploitation, and CISA KEV status is false. The likely impact is browser-side script execution in an administrative CMS context, but privilege requirements and attack path are not fully documented.
Researcher notes
Evidence is sparse: the CVE text names the file, function, route, and input, while GitHub issue and commit references provide project confirmation. The bundle does not prove active exploitation, affected configurations beyond Monstra CMS through 3.0.4, or a named fixed version.
Mitigation direction
- Check Monstra CMS guidance and the referenced commit for the intended fix.
- Inventory Monstra CMS instances and identify versions through 3.0.4.
- Restrict CMS administrative access to trusted users and networks.
- Review page-title handling for proper output encoding before deployment.
- Monitor vendor or project history for a fixed release reference.
Validation and detection
- Confirm whether Monstra CMS is deployed in production or staging.
- Verify the deployed Monstra CMS version is later than 3.0.4 or patched.
- Review plugins/box/pages/pages.plugin.php against the referenced fix commit.
- Check admin page rendering paths that display page titles.
- Review logs for suspicious CMS page-title changes if available.
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-2018-6550 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/monstra-cms/monstra/commit/388ab412035474068758df6b07e7e06852f3747bCVE reference · x_refsource_CONFIRM
- https://github.com/monstra-cms/monstra/issues/427CVE reference · x_refsource_CONFIRM
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.