CVE-2026-44376: CubeCart: Reflected XSS in Store Search Bar
CubeCart is an ecommerce software solution. Prior to 6.7.0, an unauthenticated Reflected XSS vulnerability exists in the CubeCart v6.x search feature. Due to a logic flaw in classes/catalogue.class.php, user input is reflected without sanitization only when a search returns exactly one product. This flaw bypasses current filters, allowing an attacker to execute malicious JavaScript in the victim's browser, leading to session hijacking, site defacement, or phishing. This vulnerability is fixed in 6.7.0.
Security readout for executives and security teams
Plain-English summary
CubeCart stores before 6.7.0 can reflect unsafe search input into a visitor’s browser in a specific search-result case. An attacker would need to trick someone into using a crafted link or request. Successful exploitation could support phishing, session theft, or page tampering in the victim’s browser.
Executive priority
Prioritize remediation for any public CubeCart store, especially production ecommerce sites. This is not marked as actively exploited, but the vulnerability is unauthenticated, browser-facing, and could affect customers or administrators through social engineering.
Technical view
CVE-2026-44376 is an unauthenticated reflected XSS in CubeCart v6 search. The reported flaw is in classes/catalogue.class.php and occurs when a search returns exactly one product, bypassing existing filters and reflecting unsanitized input. CVSS is 6.1 with network access, low attack complexity, no privileges, and required user interaction.
Likely exposure
Internet-facing CubeCart v6 storefronts running versions earlier than 6.7.0, especially sites where anonymous users can use product search.
Exploitation context
The source bundle does not show KEV listing or active exploitation. Exploitation requires user interaction, such as a victim visiting attacker-controlled search content. Business impact is mainly customer trust, credential/session risk, and storefront integrity.
Researcher notes
The notable condition is the one-product search-result path, which may make broad scanners miss exposure. No CPEs are provided in the bundle. The fix is identified as CubeCart 6.7.0 and the referenced GitHub commit.
Mitigation direction
Upgrade CubeCart v6 stores to 6.7.0 or later.
If upgrade is delayed, monitor CubeCart vendor guidance for supported mitigations.
Review public storefronts for CubeCart v6 deployments and exposed search pages.
Treat sessions on affected stores as higher risk until patched.
Validation and detection
Inventory CubeCart installations and confirm exact version numbers.
Verify all affected stores are upgraded to 6.7.0 or later.
Review the CubeCart advisory and fixing commit for the corrected code path.
Perform safe validation that search responses encode reflected user input.
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
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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-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.
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.
1CVSS vectors
3Timeline events
1ADP providers
3Source links
SSVC decision data
CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: yesTechnical Impact: total
CVSS vector scores
1 official score
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-79 · source CWE mapping
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.