Security readout for executives and security teams
Plain-English summary
CVE-2023-42426 is a medium-severity XSS issue reported in Froala Editor v4.1.1. A user could be tricked into interacting with crafted image-link input, letting attacker-controlled script run in that user's browser context.
Executive priority
Treat this as a moderate web application risk. Prioritize internet-facing or customer-accessible editor deployments, especially where trusted users manage content viewed by others.
Technical view
The CVE describes CWE-79 in Froala Editor v4.1.1, tied to the Insert link parameter within the Insert Image component. CVSS 3.1 is 6.1, network-reachable, low complexity, no privileges required, and user interaction required.
Likely exposure
Exposure is likely limited to applications embedding Froala Editor v4.1.1 or rendering content produced through that component. The CVE metadata does not provide CPEs or a complete affected-product list.
Exploitation context
The source bundle does not show CISA KEV listing or other evidence of active exploitation. Public references include a GitHub repository and YouTube link, but the provided bundle does not establish exploitation in the wild.
Researcher notes
Evidence is sparse: the CVE names Froala Editor v4.1.1 and the vulnerable UI path, but affected CPEs, fixed versions, and official vendor remediation are not present in the provided bundle.
Mitigation direction
- Inventory applications using Froala Editor and confirm whether v4.1.1 is present.
- Check Froala/vendor guidance for patched versions or official mitigation instructions.
- Review application sanitization for image links and editor-generated HTML.
- Limit editor access to trusted users until remediation is confirmed.
Validation and detection
- Identify deployed Froala Editor versions in application dependencies and bundled assets.
- Review whether the Insert Image link workflow is enabled in exposed editor instances.
- Confirm whether vendor advisories or release notes name a fixed version.
- Test remediation in a non-production environment using safe XSS validation methods.
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 lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2023-42426 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.
SSVC decision data
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:N2.82.7CISA-ADPVulnerability 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
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://www.youtube.com/watch?v=Me33Dx1_XqQCVE reference, mitre
- https://github.com/b0marek/CVE-2023-42426CVE reference, mitre
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.