Security readout for executives and security teams
Plain-English summary
This is a stored cross-site scripting issue in the WordPress Youtube shortcode plugin. An authenticated user with low privileges could store script content that runs when another user views it. That can expose session data, alter page content, or support account compromise, depending on site permissions and visitor context.
Executive priority
Treat this as a moderate-priority WordPress plugin risk. Prioritize multi-user sites, customer-facing sites, and sites where less-trusted users can publish content. There is no sourced evidence of active exploitation in the provided bundle.
Technical view
CVE-2023-23687 is CWE-79 authenticated stored XSS in Youtube shortcode up to 1.8.5. CVSS 3.1 is 6.5 with network access, low complexity, low privileges, required user interaction, and changed scope. The source bundle does not provide payload details, fixed version, or vendor remediation notes.
Likely exposure
Exposure is limited to WordPress sites using the Youtube shortcode plugin, especially versions at or below 1.8.5. Sites allowing contributors, authors, editors, or other authenticated users to create shortcode content have the most relevant risk. Sites without this plugin are not indicated as affected.
Exploitation context
The CVE is not listed as KEV, and the provided sources do not claim active exploitation. The attack requires authenticated access and user interaction, which lowers urgency compared with unauthenticated XSS but still matters on multi-user WordPress sites.
Researcher notes
The bundle identifies authenticated stored XSS and CVSS details but lacks fixed-version data and technical proof. The affected record lists versions as n/a while the title states <= 1.8.5, so validate exposure through plugin inventory and vendor advisory review.
Mitigation direction
- Inventory WordPress sites for the youtube-shortcode plugin and installed version.
- Check Patchstack and vendor guidance for a supported fixed release.
- Update the plugin if a fixed release is available from trusted sources.
- Disable or remove the plugin if no supported fix is available.
- Restrict content-editing privileges until remediation is complete.
Validation and detection
- Confirm whether Youtube shortcode is installed on each WordPress site.
- Record plugin versions and flag any installation at or below 1.8.5.
- Review authenticated roles that can create or edit shortcode content.
- Check whether affected sites have compensating controls such as strict role governance or WAF coverage.
- Document remediation status and retest after update, removal, or disablement.
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-2023-23687 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.