Security readout for executives and security teams
Plain-English summary
CVE-2018-19906 is a stored cross-site scripting issue in razorCMS 3.4.8. Someone with authenticated access could save malicious script content in a page description, which may run later when another user views it. Business impact is mainly account/session compromise or unauthorized actions in the CMS context.
Executive priority
Treat this as a moderate-priority web application risk. It is not listed as known exploited in the provided sources, but it can affect trusted CMS users and should be remediated during normal vulnerability management cycles.
Technical view
The CVE describes CWE-79 stored XSS in razorCMS 3.4.8 through the /#/page description parameter. The CVSS 3.1 score is 5.4, requiring network access, low privileges, and user interaction, with changed scope and low confidentiality and integrity impact. No source in the bundle names a patch.
Likely exposure
Exposure is most likely on public or internal razorCMS 3.4.8 deployments where authenticated users can create or edit page descriptions and other users review those pages in the CMS or rendered site.
Exploitation context
The source bundle does not show CISA KEV listing or other evidence of active exploitation. The issue is plausible for abuse after gaining low-privilege CMS access, but exploitation still requires a victim to view the stored content.
Researcher notes
Evidence is limited to the CVE record and linked public reports. Affected product metadata in the bundle is incomplete, but the title and description identify razorCMS 3.4.8. No authoritative fix, exploit-in-the-wild claim, or broader version range is provided.
Mitigation direction
- Check razorCMS project guidance for a patched version or official workaround.
- Restrict CMS editing permissions to trusted users only.
- Review page descriptions and remove suspicious active content.
- Add input validation and output encoding where customization is available.
- Use browser security controls such as CSP where feasible.
Validation and detection
- Inventory razorCMS deployments and confirm whether version 3.4.8 is present.
- Review CMS roles that can edit page descriptions.
- Inspect stored page descriptions for unexpected script-like content.
- Confirm in staging whether descriptions are safely encoded when rendered.
- Monitor CMS audit logs for unusual page edits.
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.
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2018-19906 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
- Medium
- CVSS
- 5.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A: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:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N2.32.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.4MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/smiffy6969/razorCMS/issues/56CVE reference · x_refsource_MISC
- https://github.com/security-breachlock/CVE-2018-19906/blob/master/razor_xss.pdfCVE 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.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.