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CVE Record

CVE-2023-45049: WordPress YouTube Playlist Player Plugin <= 4.6.7 is vulnerable to Cross Site Scripting (XSS)

Auth. (contributor+) Stored Cross-Site Scripting (XSS) vulnerability in Ciprian Popescu YouTube Playlist Player plugin <= 4.6.7 versions.

MediumCVSS 6.5Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This is a stored cross-site scripting issue in a WordPress plugin. A logged-in contributor or higher could save content that later runs script in another user’s browser. Business impact depends on whether the vulnerable plugin is installed and who can contribute content.

Executive priority

Treat this as a moderate priority for WordPress estates. It is not shown as actively exploited, but vulnerable sites with contributor accounts should be remediated promptly because stored XSS can affect administrators and visitors.

Technical view

CVE-2023-45049 affects Ciprian Popescu YouTube Playlist Player for WordPress through version 4.6.7. It is CWE-79 stored XSS requiring low privileges and user interaction, with changed scope and low confidentiality, integrity, and availability impact under CVSS 3.1 score 6.5.

Likely exposure

Exposure is limited to WordPress sites running YouTube Playlist Player version 4.6.7 or earlier, especially where contributor-level or higher accounts exist. Sites without this plugin are not indicated as affected by the supplied sources.

Exploitation context

The source bundle does not show active exploitation, and KEV status is false. The vulnerability requires an authenticated contributor-level user or higher and another user interaction to trigger stored browser-side impact.

Researcher notes

The evidence supports authenticated stored XSS in the named plugin through 4.6.7. The supplied data does not include exploit details, proof of active exploitation, or a confirmed fixed version, so remediation should be tied to current vendor guidance.

Mitigation direction

  • Inventory WordPress sites for the YouTube Playlist Player plugin.
  • If installed, verify whether the version is 4.6.7 or earlier.
  • Check vendor, WordPress, or Patchstack guidance for a fixed release.
  • Update, disable, or remove the plugin based on official guidance.
  • Restrict contributor-level access to trusted users only.
  • Review recent contributor-created content on affected sites.

Validation and detection

  • Confirm plugin presence and version across WordPress environments.
  • Review user roles with contributor or higher privileges.
  • Check whether official vendor remediation is available.
  • Verify updated or removed plugin state after remediation.
  • Review security monitoring for suspicious stored script behavior.
Prepared
Confidence
medium
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

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.

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cve · low confidence lookup

CVE-2023-45049 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
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

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
6.5CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L2.33.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

6.5Medium
CVSS 3.1 vector shape for CVE-2023-45049Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:L/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

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Ciprian PopescuYouTube Playlist Playeryoutube-playlist-player, n/aunaffected
Weakness

CWE details

CWE-79

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