Security readout for executives and security teams
Plain-English summary
VirtueMart Shopping-Cart 4.0.12 for Joomla has a reflected XSS issue in a keyword parameter. A victim must open a crafted link, but successful abuse could run attacker-controlled JavaScript in that user’s browser and expose session or credential data.
Executive priority
Treat this as a moderate-priority web application risk for affected ecommerce sites. It is not marked as known exploited, but public exploit information and session theft potential justify timely inventory, vendor-guided remediation, and monitoring.
Technical view
CVE-2023-54362 is CWE-79 reflected cross-site scripting affecting VirtueMart Cart 4.0.12. The source bundle identifies the keyword parameter on a product-variants endpoint as the injection point. CVSS 3.1 is 6.1, with network access, low complexity, no privileges, required user interaction, changed scope, low confidentiality and integrity impact, and no availability impact.
Likely exposure
Exposure is most likely on public Joomla commerce sites running VirtueMart Shopping-Cart 4.0.12 and exposing the affected product-variants behavior. The bundle does not identify other affected versions, CPEs, hosting patterns, or default exposure details.
Exploitation context
A public ExploitDB reference is listed, so proof-of-concept information appears publicly available. The source bundle marks KEV as false and provides no cited evidence of active exploitation in the wild.
Researcher notes
The evidence names only VirtueMart Cart 4.0.12 and does not provide fixed version, patch commit, or broader version range. Do not extrapolate impact to other releases without vendor confirmation. Validate reflected output handling without using live user sessions or offensive payloads.
Mitigation direction
- Inventory Joomla sites running VirtueMart and confirm whether version 4.0.12 is present.
- Check VirtueMart vendor guidance for fixed versions or official mitigation instructions.
- Prioritize upgrading affected deployments if a vendor-supported fixed release is available.
- Harden browser impact with appropriate CSP and secure session cookie settings.
- Use WAF filtering cautiously as temporary defense, not a replacement for vendor remediation.
Validation and detection
- Confirm installed VirtueMart version from application administration or deployment records.
- Identify whether the affected product-variants endpoint is reachable on public sites.
- Review logs for unusual requests involving the keyword parameter.
- Safely test in staging with a non-executing marker to confirm output encoding.
- Verify remediation by confirming user input is encoded and does not execute as script.
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-2023-54362 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
- Medium
- CVSS
- 6.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/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.
SSVC decision data
CVSS vector scores
2 official scoresWe 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:N/UI:R/S:C/C:L/I:L/A:N2.82.7VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N——VulnCheckVulnerability scoring details
Base CVSS 4.0 score
5.1MediumVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Base CVSS 3.1 score
6.1MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-51631CVE reference, VulnCheck · exploit
- Official Product HomepageCVE reference, VulnCheck · product
- Product ReferenceCVE reference, VulnCheck · product
- VulnCheck Advisory: Joomla VirtueMart Shopping-Cart 4.0.12 Reflected XSS via keywordCVE reference, VulnCheck · third-party-advisory
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.