Security readout for executives and security teams
Plain-English summary
IBM Campaign versions 9.1.0, 9.1.2, 10.1, and 11.0 have a cross-site scripting flaw in the web UI. An authenticated user could insert JavaScript that runs in another trusted session, potentially exposing credentials or changing page behavior.
Executive priority
Treat as a moderate business risk. It is unlikely to cause direct service outage, but could compromise trusted sessions or credentials in a marketing platform if an attacker has account access.
Technical view
CVE-2018-1921 is a network-reachable XSS issue in IBM Campaign with CVSS 3.0 score 5.4. The vector indicates low attack complexity, low privileges required, user interaction required, changed scope, and limited confidentiality and integrity impact with no availability impact.
Likely exposure
Exposure is limited to organizations running IBM Campaign 9.1.0, 9.1.2, 10.1, or 11.0, especially where the web UI is reachable by many internal or external authenticated users.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. Exploitation requires a user with low privileges and interaction from another user in the web UI, making phishing or workflow abuse plausible but not confirmed.
Researcher notes
The source bundle does not identify the exact vulnerable parameter, affected route, or fixed version. Validation should stay version-based and vendor-guidance-driven unless IBM advisory details are available internally.
Mitigation direction
- Check IBM support guidance for the official fix or upgrade path.
- Prioritize remediation for internet-facing or broadly accessible IBM Campaign portals.
- Restrict IBM Campaign UI access to trusted users until remediated.
- Review custom controls for input validation and output encoding around affected UI workflows.
Validation and detection
- Inventory IBM Campaign deployments and confirm affected versions.
- Verify whether IBM's official fix or recommended upgrade has been applied.
- Review recent UI activity for suspicious script-like content or unusual user changes.
- Run regression tests for stored and reflected XSS protections without using weaponized payloads.
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-2018-1921 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 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/UI:R/AC:L/S:C/AV:N/PR:L/C:L/A:N/I:L/E:H/RC:C/RL:O
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/UI:R/AC:L/S:C/AV:N/PR:L/C:L/A:N/I:L/E:H/RC:C/RL:O2.32.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
5.4MediumVector: CVSS:3.0/UI:R/AC:L/S:C/AV:N/PR:L/C:L/A:N/I:L/E:H/RC:C/RL:O
Source materials
- CVE List V5 sourceCVE List V5
- https://www.ibm.com/support/docview.wss?uid=ibm10887995CVE reference · x_refsource_CONFIRM
- ibm-campaign-cve20181921-xss (152857)CVE reference · vdb-entry, x_refsource_XF
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.
