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CVE Record

CVE-2025-31088: WordPress Paid Member Subscriptions plugin <= 2.14.3 - Cross Site Scripting (XSS) Vulnerability

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Cozmoslabs Paid Member Subscriptions paid-member-subscriptions allows Stored XSS.This issue affects Paid Member Subscriptions: from n/a through <= 2.14.3.

MediumCVSS 6.5Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

A logged-in attacker could store malicious script through the Paid Member Subscriptions WordPress plugin, affecting pages viewed by another user. Business impact is moderate: account/session risk, content manipulation, and operational disruption are possible, but the provided sources do not show active exploitation.

Executive priority

Treat as a near-term maintenance security issue, not an emergency based on the supplied evidence. Prioritize faster for public membership sites or sites where low-privileged users can create content reviewed by staff.

Technical view

CVE-2025-31088 is a stored XSS issue in Cozmoslabs Paid Member Subscriptions through 2.14.3. It maps to CWE-79 with CVSS 3.1 score 6.5. The vector indicates network access, low complexity, low privileges, required user interaction, changed scope, and low confidentiality, integrity, and availability impact.

Likely exposure

Exposure is limited to WordPress sites running Cozmoslabs Paid Member Subscriptions versions through 2.14.3. The CVSS vector indicates exploitation requires a low-privileged authenticated user and a victim interaction path.

Exploitation context

The provided bundle does not identify CISA KEV listing or active exploitation. Stored XSS generally becomes higher risk on sites with many users, untrusted registrations, admin review workflows, or sensitive membership data.

Researcher notes

The source bundle names the flaw class and affected upper bound but does not provide sink, parameter, proof-of-concept, patched version, or exploit telemetry. Avoid assuming unauthenticated exploitation; PR:L is explicit in the CVSS vector.

Mitigation direction

  • Inventory WordPress sites using Paid Member Subscriptions.
  • Identify plugin versions and flag any through 2.14.3.
  • Check Cozmoslabs and Patchstack guidance for fixed versions or mitigations.
  • Update the plugin when a vendor-supported fixed release is available.
  • Temporarily restrict untrusted account creation if exposure is confirmed.

Validation and detection

  • Confirm installed plugin name is paid-member-subscriptions.
  • Record exact plugin version from WordPress administration or asset inventory.
  • Review membership workflows where low-privileged users can submit stored content.
  • Check logs for suspicious low-privileged submissions before administrator page views.
  • Verify remediation by confirming the affected version is no longer installed.
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-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-2025-31088 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
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
6.5CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L2.33.7Patchstack

Vulnerability scoring details

Base CVSS 3.1 score

6.5Medium
CVSS 3.1 vector shape for CVE-2025-31088Attack 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

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
CozmoslabsPaid Member Subscriptionspaid-member-subscriptions, 0unaffected
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.