Security readout for executives and security teams
Plain-English summary
CVE-2023-0379 is a stored cross-site scripting issue in the WordPress Spotlight Social Feeds plugin before 1.4.3. A user with Contributor-level access or higher could store unsafe content in block options, which may execute in a visitor’s browser when the page or post is viewed.
Executive priority
Treat as a moderate web application risk. Prioritize patching on public WordPress sites with multiple content contributors, especially where Contributor accounts are delegated to agencies, contractors, or broad internal teams.
Technical view
The plugin fails to validate and escape some block options before rendering them in embedded pages or posts. The CVSS 3.1 score is 5.4 with network access, low complexity, low privileges, required user interaction, changed scope, and low confidentiality and integrity impact.
Likely exposure
Exposure is limited to WordPress sites using Spotlight Social Feeds versions before 1.4.3 and allowing Contributor or higher users to create or edit relevant block content.
Exploitation context
The bundle cites a WPScan vulnerability entry tagged with exploit information, but it does not show confirmed active exploitation. The CVE is not listed as KEV in the provided data.
Researcher notes
The main evidence states versions before 1.4.3 are affected, but the structured affected entry lists version “0” with defaultStatus “unaffected,” which is not operationally useful. Base validation on installed plugin version and the CVE/WPScan description.
Mitigation direction
- Upgrade Spotlight Social Feeds to version 1.4.3 or later.
- Review vendor and WPScan guidance for any additional remediation notes.
- Limit Contributor and higher publishing access to trusted accounts.
- Review existing Spotlight block content created by Contributor-level users.
- Monitor affected sites for suspicious script behavior in pages and posts.
Validation and detection
- Inventory WordPress sites for Spotlight Social Feeds plugin usage and version.
- Confirm no installed version is older than 1.4.3.
- Review Contributor, Author, Editor, and Administrator accounts for unnecessary access.
- Inspect pages and posts using Spotlight blocks for unexpected scripts or markup.
- Validate the upgrade in staging with approved XSS scanning tools.
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-2023-0379 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://wpscan.com/vulnerability/14b4f0c5-c7b1-4ac4-8c9c-f8c35ca5de4aCVE 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.