Security readout for executives and security teams
Plain-English summary
Concrete CMS installations in the affected version ranges can reflect attacker-controlled script content through the multilingual report. A successful attack requires user interaction, typically following a malicious link, and could expose limited user data or alter page behavior in that user’s browser session.
Executive priority
Treat this as a moderate remediation item. It is not known to be actively exploited from the provided evidence, but affected CMS sites should be upgraded promptly because XSS can enable targeted user compromise and reputational risk.
Technical view
CVE-2022-43967 is CWE-79 reflected XSS caused by unsanitized output in Concrete CMS multilingual report. The CVSS 3.1 score is 6.1: network reachable, low complexity, no attacker privileges, user interaction required, changed scope, low confidentiality and integrity impact, no availability impact.
Likely exposure
Exposure is limited to Concrete CMS below 8.5.10 and versions 9.0.0 through 9.1.2. Organizations running Concrete CMS should verify versions across production, staging, and retained instances. The source bundle does not provide CPEs or deeper deployment conditions.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation evidence. The vulnerability is still relevant because reflected XSS can support phishing, session abuse, or unauthorized browser actions when a targeted user interacts with malicious content.
Researcher notes
Evidence names the vulnerable component and fixed versions but does not include CPEs, vulnerable parameters, proof-of-concept details, or exploitation telemetry. Keep analysis constrained to reflected XSS in the multilingual report and validate fixes by version and vendor notes.
Mitigation direction
- Upgrade Concrete CMS 8.x deployments to 8.5.10 or later.
- Upgrade Concrete CMS 9.x deployments to 9.1.3 or later.
- Review Concrete CMS advisory and release notes before rollout.
- Prioritize externally reachable or administrator-used CMS instances first.
Validation and detection
- Inventory all Concrete CMS versions, including staging and backup instances.
- Confirm no instance runs below 8.5.10 or 9.0.0 through 9.1.2.
- Verify upgrade completion using application version records.
- Review logs for unusual multilingual report access patterns.
- Confirm vendor advisory guidance is reflected in remediation tickets.
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-2022-43967 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
- 6.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/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:N/UI:R/S:C/C:L/I:L/A:N2.82.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.1MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/concretecms/concretecms/releases/9.1.3CVE reference
- https://github.com/concretecms/concretecms/releases/8.5.10CVE reference
- https://documentation.concretecms.org/developers/introduction/version-history/913-release-notesCVE reference
- https://documentation.concretecms.org/developers/introduction/version-history/8510-release-notesCVE reference
- https://www.concretecms.org/about/project-news/security/concrete-cms-security-advisory-2022-10-31CVE reference
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.