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CVE Record

CVE-2025-23963: WordPress Mark Posts plugin <= 2.2.4 - Broken Access Control vulnerability

Missing Authorization vulnerability in flymke Mark Posts mark-posts allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Mark Posts: from n/a through <= 2.2.4.

MediumCVSS 5.4Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This is a medium-risk WordPress plugin access-control issue. A logged-in user may be able to perform actions in the Mark Posts plugin that should require stronger authorization. The expected business impact is limited integrity and availability impact, not data theft, based on the supplied CVSS vector.

Executive priority

Prioritize normal patch management and account hygiene. Escalate only for sites where many untrusted users can log in or where post state changes affect operations, publishing workflows, or customer-facing content.

Technical view

CVE-2025-23963 affects flymke Mark Posts through version 2.2.4. The listed weakness is CWE-862, Missing Authorization. CVSS 3.1 is 5.4 with network access, low complexity, low privileges required, no user interaction, and low integrity and availability impact.

Likely exposure

Exposure is likely limited to WordPress sites running the Mark Posts plugin at affected versions through 2.2.4. The CVSS vector indicates attackers need a valid low-privilege account, so public anonymous exposure is not supported by the source bundle.

Exploitation context

The source bundle does not cite active exploitation, and KEV is false. No exploit details are provided. The main concern is abuse by authenticated users or compromised low-privilege WordPress accounts to change plugin-controlled state without proper authorization.

Researcher notes

The evidence supports missing authorization in Mark Posts, but does not provide exploit mechanics or a named fix. The bundle has minor version ambiguity because the CVE text says through 2.2.4 while the Patchstack URL references 2.2.3.

Mitigation direction

  • Inventory WordPress sites for the Mark Posts plugin and installed version.
  • Check vendor or Patchstack guidance for a fixed version or official remediation.
  • Disable Mark Posts where it is not business-critical until remediation is confirmed.
  • Reduce unnecessary WordPress user accounts and privileges on affected sites.
  • Monitor for unexpected post-marking changes or plugin-related permission anomalies.

Validation and detection

  • Confirm whether Mark Posts is installed on each WordPress site.
  • Record plugin versions and flag versions through 2.2.4 as affected.
  • Review WordPress users with access to affected sites, especially low-privilege accounts.
  • Check plugin and application logs for unexpected state changes.
  • Track the Patchstack and CVE entries for updated remediation details.
Prepared
Confidence
medium
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-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 lookup
cve · low confidence lookup

CVE-2025-23963 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
5.4 (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: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
3Timeline events
1ADP providers
2Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: partial

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
5.4CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L2.82.5Patchstack

Vulnerability scoring details

Base CVSS 3.1 score

5.4Medium
CVSS 3.1 vector shape for CVE-2025-23963Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/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

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
other:ssvc
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
flymkeMark Postsmark-posts, 0unaffected
Weakness

CWE details

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

CWE-862 · source CWE mapping

Missing Authorization

Missing Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.