Security readout for executives and security teams
Plain-English summary
This CVE affects a PrestaShop add-on that lets customers upload files. The sources say attackers could upload PHP files and achieve arbitrary code execution. For an online store, that can mean server compromise, data exposure, or payment-flow tampering if the vulnerable add-on is installed and reachable.
Executive priority
Treat as urgent for any affected internet-facing store because the reported impact is remote code execution. Prioritize confirming add-on presence first; if present, reduce exposure immediately while seeking authoritative remediation guidance.
Technical view
CVE-2018-19355 is a remote arbitrary code execution issue in the Customer Files Upload add-on dated 2018-08-01 for PrestaShop 1.5 through 1.7. The weakness is unsafe handling of uploaded PHP files into module upload destinations. The source bundle provides no CVSS, CWE, CPE, or vendor-fixed version.
Likely exposure
Exposure is likely limited to PrestaShop 1.5 through 1.7 sites running the Customer Files Upload add-on dated 2018-08-01. Internet-facing storefronts are the main concern. The bundle lists affected vendor and product metadata as n/a, so asset confirmation must rely on local module inventory.
Exploitation context
The CVE description states remote attackers can execute arbitrary code by uploading a PHP file. The bundle does not cite CISA KEV listing or active exploitation reporting, so active exploitation is not confirmed from the provided evidence.
Researcher notes
Evidence is sparse but direct: the CVE record describes unauthenticated remote code execution through unsafe PHP upload handling. No CVSS, CWE, CPE, exploit status, or patch details are provided in the bundle. Avoid broad PrestaShop claims beyond the named add-on and versions.
Mitigation direction
- Check maintainer or vendor guidance for a fixed add-on version.
- Disable or remove the add-on until a safe version is confirmed.
- Prevent PHP execution in customer-upload and module-upload directories.
- Restrict upload functionality to authenticated, expected business workflows.
- Monitor upload directories for unexpected executable files.
Validation and detection
- Inventory PrestaShop versions and installed add-ons across all storefronts.
- Confirm whether Customer Files Upload 2018-08-01 is present.
- Review module upload directories for unexpected PHP or executable files.
- Check web logs for unusual upload activity or access to uploaded scripts.
- Verify uploads reject server-side executable file types.
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.
Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2018-19355 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://ia-informatica.com/it/CVE-2018-19355CVE reference · x_refsource_MISC
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.