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CVE Record

CVE-2023-34377: WordPress My Content Management Plugin <= 1.7.6 is vulnerable to Cross Site Scripting (XSS)

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Joseph C Dolson My Content Management plugin <= 1.7.6 versions.

MediumCVSS 5.9Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This CVE affects the WordPress My Content Management plugin through version 1.7.6. An authenticated administrator could store script content that later runs in another user’s browser. Business risk is moderate because exploitation needs high privileges and user interaction, but successful abuse can affect confidentiality, integrity, and availability in the browser context.

Executive priority

Treat this as a moderate-priority WordPress hygiene issue. It is not cited as actively exploited, but affected public sites should be checked because stored XSS can damage trust and expose users if administrator access is abused.

Technical view

CVE-2023-34377 is an authenticated admin-level stored XSS issue in Joseph C Dolson My Content Management <= 1.7.6. It is classified as CWE-79 with CVSS 3.1 score 5.9: network reachable, low complexity, high privileges required, user interaction required, changed scope, and low CIA impact.

Likely exposure

Exposure is likely limited to WordPress sites with the my-content-management plugin installed at version 1.7.6 or earlier. Sites without this plugin, or with versions not covered by the cited records, are not shown as affected by the provided sources.

Exploitation context

The source bundle does not report active exploitation, and KEV status is false. Exploitation requires authenticated admin-level access plus user interaction, which lowers broad internet risk but still matters for compromised administrator accounts or insider misuse.

Researcher notes

Evidence is narrow but consistent: authenticated admin+ stored XSS, CWE-79, CVSS 5.9, affected plugin package my-content-management through 1.7.6. The provided sources do not include exploit details, a confirmed fixed version, or active exploitation evidence.

Mitigation direction

  • Inventory WordPress sites for the my-content-management plugin.
  • Check whether installed versions are 1.7.6 or earlier.
  • Review vendor or Patchstack guidance for a fixed release or official mitigation.
  • Remove or disable the plugin if business use is unnecessary.
  • Restrict WordPress administrator access while remediation is pending.

Validation and detection

  • Confirm plugin presence and version in each WordPress instance.
  • Verify affected assets match My Content Management <= 1.7.6.
  • Review administrative user activity for unexpected content changes.
  • After remediation, confirm the plugin is updated, removed, or disabled.
  • Document compensating controls if no vendor fix is available.
Prepared
Confidence
high
Sources
3

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.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2023-34377 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-2023-34377Attack 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
Joseph C DolsonMy Content Managementmy-content-management, 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.