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CVE Record

CVE-2023-25451: WordPress CPO Content Types Plugin <= 1.1.0 is vulnerable to Cross Site Scripting (XSS)

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in WPChill CPO Content Types plugin <= 1.1.0 versions.

MediumCVSS 5.9Not KEV-listedUpdated
Glexia's Takemoderate

Analyst readout for executives and security teams

Plain-English summary

CVE-2023-25451 is a stored cross-site scripting issue in the WordPress CPO Content Types plugin. An administrator-level attacker could store script content that later runs in another user’s browser. The impact is moderate because exploitation needs high privileges and user interaction, but affected WordPress sites should still review exposure.

Executive priority

Treat this as a routine but time-bounded WordPress remediation item. Prioritize internet-facing or business-critical WordPress sites, especially where many administrators or third-party site managers have access.

Technical view

The record describes an authenticated admin+ stored XSS vulnerability, CWE-79, in WPChill CPO Content Types plugin versions up to 1.1.0. CVSS 3.1 score is 5.9 with network access, low complexity, high privileges required, user interaction required, and changed scope.

Likely exposure

Exposure is limited to WordPress installations using WPChill CPO Content Types at vulnerable versions up to 1.1.0. The provided sources do not identify affected themes, hosting platforms, or downstream products beyond this plugin.

Exploitation context

The source bundle does not show CISA KEV listing or other evidence of active exploitation. The attack requires authenticated administrator-level access and user interaction, making broad unauthenticated exploitation unlikely based on the provided evidence.

Researcher notes

Evidence is concise: authenticated admin+ stored XSS, CWE-79, CVSS 5.9, affected plugin up to 1.1.0. The supplied data does not name a fixed version, exploit availability, or detailed vulnerable parameter, so validation should remain defensive and source-grounded.

Mitigation direction

  • Inventory WordPress sites for the CPO Content Types plugin and version.
  • Check WPChill or Patchstack guidance for the current fixed version or mitigation.
  • Disable or remove the plugin where it is not business-critical.
  • Restrict administrator access to trusted accounts with MFA.
  • Review recent administrator activity for suspicious content changes.

Validation and detection

  • Confirm whether any site runs CPO Content Types version 1.1.0 or earlier.
  • Verify administrator accounts are limited to current trusted personnel.
  • Review plugin-managed content fields for unexpected scripts or markup.
  • Test in staging that stored plugin content is escaped before rendering.
  • Confirm remediation status against vendor or Patchstack guidance.
Prepared
Confidence
medium
Sources
3

Based on public source material and reviewed before publication.

Potential ATT&CK relevance

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 · medium confidence lookup

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 lookup
cve · low confidence lookup

CVE-2023-25451 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Medium
CVSS
5.9 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L

Official CVE source material

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.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
5.9CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L1.73.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

5.9Medium
CVSS 3.1 vector shape for CVE-2023-25451Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
WPChillCPO Content Typescpo-content-types, n/aunaffected
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-79 · source CWE mapping

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.