Security readout for executives and security teams
Plain-English summary
Welcart e-Commerce for WordPress has a high-severity PHP object injection issue in versions up to 2.11.16. A successful attack could affect confidentiality, integrity, and availability, but the CVSS data indicates the attacker needs high privileges. Prioritize sites running this plugin, especially commerce sites with multiple administrators.
Executive priority
Treat this as a near-term remediation item for any WordPress commerce property using Welcart. The required high privileges reduce mass-exploitation concern, but compromise of an admin account could turn this into full site-impact risk.
Technical view
The vulnerability is CWE-502 deserialization of untrusted data in the Welcart e-Commerce WordPress plugin package usc-e-shop through 2.11.16. CVSS 3.1 is 7.2: network reachable, low complexity, high privileges required, no user interaction, and high CIA impact.
Likely exposure
Exposure is limited to WordPress installations using Welcart e-Commerce through version 2.11.16. Risk is higher where privileged WordPress accounts are numerous, weakly protected, shared, or already compromised.
Exploitation context
The provided sources do not show CISA KEV listing or confirmed active exploitation. Exploitation requires high privileges according to the CVSS vector, which lowers broad internet-scale likelihood but keeps impact serious after privileged compromise.
Researcher notes
Evidence is limited to CVE and Patchstack metadata. No exploit code, patch version, or active exploitation claim is provided in the source bundle. Validate against current vendor guidance before asserting fixed versions or exploitability details.
Mitigation direction
- Inventory WordPress sites for Welcart e-Commerce and record installed versions.
- Check Welcart or Patchstack guidance for a fixed release or official workaround.
- Upgrade if an official fixed version is available and tested.
- Disable or remove the plugin where it is not business-critical.
- Restrict privileged WordPress access and enforce MFA for administrators.
Validation and detection
- Confirm no production site runs Welcart e-Commerce version 2.11.16 or earlier.
- Review WordPress administrator and shop-manager accounts for unnecessary privileges.
- Check plugin, web, and audit logs for suspicious authenticated changes.
- Verify current vendor advisory status before closing remediation.
- Document compensating controls if immediate upgrade is unavailable.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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-502: Code execution behavior lookup
Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. 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 lookupCVE-2025-54012 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.2 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
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.
CVSS vector scores
1 official scoreWe 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.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H1.25.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.2HighVector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source materials
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Deserialization of Untrusted Data
Deserialization of Untrusted Data represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.