Security readout for executives and security teams
Plain-English summary
PrestaShop stores using the Product Comments module versions 4.0.0 through before 4.2.0 may expose customers or staff to malicious links that run attacker-controlled web code in their browsers. The vendor fixed this in 4.2.0. Business urgency is high where the module is installed on active storefronts.
Executive priority
Treat this as a high-priority storefront maintenance issue, especially for active PrestaShop sites handling customer accounts or administrative sessions. It is not KEV-confirmed from the provided sources, but the impact rating supports prompt upgrade and exposure verification.
Technical view
CVE-2020-26225 is a reflected cross-site scripting issue in PrestaShop productcomments, introduced in 4.0.0 and fixed in 4.2.0. The CVSS 3.1 vector is AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N, indicating network reachability, low complexity, required user interaction, and high confidentiality and integrity impact.
Likely exposure
Exposure is limited to PrestaShop installations running the productcomments module version >=4.0.0 and <4.2.0. Systems without this module, or with version 4.2.0 or later, are not identified as affected by the provided sources.
Exploitation context
The sources describe malicious-link reflected XSS, requiring user interaction. The CVSS vector also indicates low attacker privileges. The bundle does not cite CISA KEV listing or any public source confirming active exploitation, so active exploitation should not be claimed from this evidence.
Researcher notes
The vulnerability maps to CWE-79 and is reflected XSS rather than stored XSS based on the supplied description. Evidence identifies affected versions and the fixed version, but does not provide exploit telemetry, affected PrestaShop core versions, or compensating controls beyond upgrading productcomments.
Mitigation direction
- Upgrade PrestaShop productcomments to version 4.2.0 or later.
- Inventory all PrestaShop storefronts for installed productcomments versions.
- Prioritize internet-facing production storefronts that use customer or staff browser sessions.
- If immediate upgrade is blocked, check PrestaShop guidance for supported interim controls.
Validation and detection
- Confirm productcomments is not installed, or is version 4.2.0 or later.
- Review deployment manifests, module listings, and lockfiles for affected version ranges.
- Confirm the deployed code includes the vendor fix commit or later release.
- Use safe, non-executing XSS test strings only in authorized validation environments.
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-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 lookupCVE-2020-26225 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
- 8.7 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
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:L/UI:R/S:C/C:H/I:H/A:N2.35.8Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.7HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/PrestaShop/productcomments/security/advisories/GHSA-58w4-w77w-qv3wCVE reference · x_refsource_CONFIRM
- https://github.com/PrestaShop/productcomments/commit/c56e3e9495c4a0a9c1e7dc43e1bb0fcad2796dbfCVE 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.
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.