Security readout for executives and security teams
Plain-English summary
This is a stored cross-site scripting issue in a WordPress upload plugin. A user with Author-level access or higher could upload an SVG containing unsanitized script content, potentially affecting other users who view it. The sources do not provide a CVSS score or confirm active exploitation.
Executive priority
Treat as a timely hygiene fix for multi-user WordPress environments. It is not evidenced here as actively exploited or critical, but stored XSS can affect administrators and content workflows, so exposed sites should be inventoried and remediated promptly.
Technical view
Enable SVG, WebP & ICO Upload through 1.0.3 does not sanitize SVG file contents before accepting uploads. The reported weakness is CWE-79 stored XSS. The WPScan reference classifies it as Author+ Stored XSS and is tagged with exploit information, but the provided bundle does not include payload details or confirmed exploitation.
Likely exposure
Exposure is likely limited to WordPress sites running Enable SVG, WebP & ICO Upload through 1.0.3, especially where Author-level users can upload media. Internet-facing editorial or multi-user WordPress sites have higher practical risk than tightly administered sites.
Exploitation context
The CVE is not listed as KEV in the provided bundle. WPScan is tagged as an exploit reference, but the supplied evidence does not state active exploitation. The access context appears to be Author-level or higher, so this is not shown as unauthenticated remote exploitation.
Researcher notes
Evidence is narrow: CVE description, CWE-79, affected plugin through 1.0.3, Author+ context from WPScan, and no KEV listing. No CVSS vector, official patch version, or exploit telemetry is included in the provided sources.
Mitigation direction
- Inventory WordPress sites for Enable SVG, WebP & ICO Upload through 1.0.3.
- Check vendor and WPScan guidance for a fixed version or official remediation.
- Disable the plugin if SVG upload support is not business-critical.
- Restrict media upload permissions to trusted administrators until remediated.
- Review and remove untrusted SVG files uploaded by non-administrators.
Validation and detection
- Confirm installed plugin name and version across WordPress assets.
- Verify whether Author-level users can upload SVG files.
- Review media libraries for SVG uploads from non-administrative accounts.
- Check audit logs for suspicious SVG uploads or unexpected admin-page script behavior.
- Document remediation status for each affected WordPress site.
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-2023-2143 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://wpscan.com/vulnerability/91898762-aa7d-4fbc-a016-3de48901e5deCVE reference · exploit, vdb-entry
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.