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CVE Record

CVE-2025-39377: WordPress Appsero Helper plugin <= 1.3.4 - SQL Injection vulnerability

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in weDevs Appsero Helper appsero-helper allows SQL Injection.This issue affects Appsero Helper: from n/a through <= 1.3.4.

HighCVSS 8.5Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2025-39377 is a high-severity SQL injection issue in the WordPress Appsero Helper plugin through version 1.3.4. A logged-in attacker may be able to query sensitive database data and cause limited availability impact. The provided sources do not show confirmed active exploitation.

Executive priority

Treat this as a priority remediation item for any WordPress estate using Appsero Helper. The main business risk is unauthorized database access from an authenticated attacker. Urgency is high, but the provided evidence does not support claiming active exploitation.

Technical view

The CVE describes CWE-89 improper SQL command neutralization in weDevs Appsero Helper, package appsero-helper, affecting versions through 1.3.4. CVSS 3.1 is 8.5 with network attack vector, low complexity, low privileges required, no user interaction, changed scope, high confidentiality impact, and low availability impact.

Likely exposure

Exposure is limited to WordPress sites that have Appsero Helper installed at version 1.3.4 or earlier. Because PR:L is specified, risk depends on whether an attacker can obtain or use a low-privileged WordPress account.

Exploitation context

The source bundle marks KEV as false and does not cite active exploitation. It also does not provide exploit details. Based on CVSS, exploitation is network-accessible, requires low privileges, and does not require user interaction.

Researcher notes

Evidence is specific on vulnerability class, affected plugin, version ceiling, and CVSS vector, but incomplete on fixed versions and exploit observations. Validate exposure before escalating, and avoid assuming unauthenticated impact because the CVSS vector requires low privileges.

Mitigation direction

  • Inventory WordPress sites for the Appsero Helper plugin.
  • Identify any installations running version 1.3.4 or earlier.
  • Check weDevs and Patchstack guidance for a fixed release or mitigation.
  • Update promptly if a supported fixed version is available.
  • Disable or remove the plugin where it is not operationally required.
  • Restrict unnecessary WordPress account creation and low-privilege access.

Validation and detection

  • Confirm whether appsero-helper is installed on each WordPress site.
  • Record the installed plugin version and compare it to 1.3.4.
  • Review vendor advisories for the current remediation status.
  • Check application and database logs for unusual authenticated plugin activity.
  • Confirm remediation by verifying the plugin is updated, disabled, or removed.
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-89: Database access and collection lookup

Injection into data stores can inform collection, data access, and exfiltration detection reviews. 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
description · low confidence lookup

Database behavior lookup

The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2025-39377 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
High
CVSS
8.5 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/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
8.5CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L3.14.7Patchstack

Vulnerability scoring details

Base CVSS 3.1 score

8.5High
CVSS 3.1 vector shape for CVE-2025-39377Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/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
weDevsAppsero Helperappsero-helper, 0unaffected
Weakness

CWE details

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

CWE-89 · source CWE mapping

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.