Security readout for executives and security teams
Plain-English summary
CVE-2023-51514 is a stored cross-site scripting issue in the WordPress CBX Bookmark & Favorite plugin through version 1.7.13. An authenticated attacker could store script content that later runs when another user views affected plugin output. This can expose session data or enable actions in a victim’s browser, but the supplied sources do not show active exploitation.
Executive priority
Treat this as a timely WordPress hygiene issue, not a confirmed emergency. Prioritize internet-facing sites using the plugin, especially communities or portals with many authenticated users. Patch or disable after confirming vendor guidance, and track completion in the normal vulnerability management cycle.
Technical view
The issue is CWE-79 improper input neutralization during web page generation in Codeboxr Team CBX Bookmark & Favorite, package cbxwpbookmark, through 1.7.13. CVSS 3.1 is 6.5: network exploitable, low complexity, low privileges required, user interaction required, changed scope, and low confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to WordPress sites running CBX Bookmark & Favorite through version 1.7.13. Risk is higher where low-privileged or untrusted authenticated users can create content rendered by the plugin. Sites not using this plugin are not indicated as affected by the supplied sources.
Exploitation context
The source bundle marks KEV as false and provides no cited evidence of active exploitation. The CVSS vector indicates exploitation requires low privileges and victim interaction. Because this is stored XSS, impact depends on where malicious stored content is rendered and which user views it.
Researcher notes
The bundle does not identify the exact vulnerable field, exploit path, or fixed release. Avoid assuming exploitation details beyond stored XSS with PR:L and UI:R. Validation should focus on asset/version discovery, rendered-output review, and vendor-advised remediation rather than payload testing.
Mitigation direction
- Inventory WordPress sites for the cbxwpbookmark plugin.
- Identify installations running CBX Bookmark & Favorite 1.7.13 or earlier.
- Check Codeboxr or Patchstack guidance for the fixed version before updating.
- Disable the plugin temporarily where it is not business-critical.
- Limit untrusted authenticated user access until remediation is complete.
Validation and detection
- Confirm plugin presence and version in each WordPress installation.
- Review user roles allowed to create plugin-rendered content.
- Check recent plugin-related content for unexpected script-like entries.
- After remediation, verify affected plugin pages render user input safely.
- Monitor WordPress logs for unusual authenticated content changes.
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-2023-51514 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
- 6.5 (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:L
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:L2.33.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Source materials
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.