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.
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.
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.
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.
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.
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.
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.