Security readout for executives and security teams
Plain-English summary
CVE-2023-0447 affects the My YouTube Channel WordPress plugin. Logged-in users with subscriber-level access or higher could trigger a cache-clearing function that should have required stronger authorization. The business impact is limited but real: low-privilege accounts could disrupt plugin cache behavior and potentially affect content presentation or performance.
Executive priority
Treat this as a normal-priority WordPress plugin remediation, not an emergency. Prioritize sites with many low-trust authenticated users, customer portals, or business dependence on the affected plugin's cached content.
Technical view
The issue is a missing capability check in the plugin's clear_all_cache function in versions up to and including 3.0.12.1. It is classified as CWE-862 with CVSS 3.1 score 4.3. The documented impact is integrity-related only: authenticated low-privilege users can clear plugin cache.
Likely exposure
Exposure is limited to WordPress sites running My YouTube Channel version 3.0.12.1 or earlier, where untrusted or lightly trusted authenticated accounts exist. Public anonymous exploitation is not supported by the supplied sources.
Exploitation context
The CVE is not listed in KEV, and the source bundle provides no evidence of active exploitation. The attacker needs a valid WordPress account with subscriber-level permissions or above. The known action is cache clearing, not data theft or remote code execution.
Researcher notes
The key evidence is the missing capability check on clear_all_cache. The documented primitive is authenticated cache clearing with low privileges. The supplied sources do not justify claims of unauthenticated access, data exposure, code execution, or active exploitation.
Mitigation direction
- Inventory WordPress sites for the My YouTube Channel plugin and installed version.
- Update the plugin if vendor guidance identifies a fixed release.
- Remove the plugin where it is unused or no longer business-critical.
- Limit subscriber-level accounts to trusted users until remediation is complete.
- Review vendor and Wordfence guidance before deploying compensating controls.
Validation and detection
- Confirm whether My YouTube Channel is installed on each WordPress site.
- Check whether the installed version is 3.0.12.1 or earlier.
- Review WordPress users with subscriber-level access or higher.
- After updating, verify vendor guidance says the missing authorization issue is fixed.
- Check logs for unusual cache-clearing activity if such events are recorded.
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-862: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. 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 lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2023-0447 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
- 4.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/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:N/S:U/C:N/I:L/A:N2.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/486b6a75-d101-4f3a-8436-6c23dd0ff200?source=cveCVE reference
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2844200%40youtube-channel&new=2844200%40youtube-channel&sfp_email=&sfph_mail=CVE reference
- https://plugins.trac.wordpress.org/browser/youtube-channel/trunk/youtube-channel.php?rev=2482795#L1502CVE reference
- https://www.wordfence.com/threat-intel/vulnerabilities/id/486b6a75-d101-4f3a-8436-6c23dd0ff200CVE reference · x_transferred
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.
Missing Authorization
Missing Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.