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    CVE-2026-108826

    A vulnerability was found in Zen Cart up to 2.2.2. This impacts the function zen_db_perform in the library includes/modules/payment/paypaldp.php of the component PayPal IPN Handler. Performing a manipulation of the argument txn_id results in sql injection. The attack can be initiated remotely. The exploit has been made public and could be used. The patch is named 557154f4fa025f51553094f47b06aa024220c48f. It is suggested to install a patch to address this issue.

    Published:Oct 12, 2026
    Last Modified:Oct 13, 2026
    EPS:Oct 12, 2026
    EPSS Score:0.00412
    CVSS Score:7.3

    Affected Products

    Vendor
    Zen-cart
    Product
    Zen Cart
    Vendor
    Zen Cart
    Product
    Zen Cart

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-10 Buffer Overflow via Environment Variables
    CAPEC-101 Server Side Include (SSI) Injection
    CAPEC-105 HTTP Request Splitting
    CAPEC-108 Command Line Execution through SQL Injection
    CAPEC-109 Object Relational Mapping Injection
    CAPEC-110 SQL Injection through SOAP Parameter Tampering
    CAPEC-120 Double Encoding
    CAPEC-13 Subverting Environment Variable Values
    CAPEC-135 Format String Injection
    CAPEC-14 Client-side Injection-induced Buffer Overflow
    CAPEC-24 Filter Failure through Buffer Overflow
    CAPEC-250 XML Injection
    CAPEC-267 Leverage Alternate Encoding
    CAPEC-273 HTTP Response Smuggling
    CAPEC-28 Fuzzing
    CAPEC-3 Using Leading 'Ghost' Character Sequences to Bypass Input Filters
    CAPEC-34 HTTP Response Splitting
    CAPEC-42 MIME Conversion
    CAPEC-43 Exploiting Multiple Input Interpretation Layers
    CAPEC-45 Buffer Overflow via Symbolic Links
    CAPEC-46 Overflow Variables and Tags
    CAPEC-47 Buffer Overflow via Parameter Expansion
    CAPEC-470 Expanding Control over the Operating System from the Database
    CAPEC-51 Poison Web Service Registry
    CAPEC-52 Embedding NULL Bytes
    CAPEC-53 Postfix, Null Terminate, and Backslash
    CAPEC-6 Argument Injection
    CAPEC-64 Using Slashes and URL Encoding Combined to Bypass Validation Logic
    CAPEC-66 SQL Injection
    CAPEC-67 String Format Overflow in syslog()
    CAPEC-7 Blind SQL Injection
    CAPEC-71 Using Unicode Encoding to Bypass Validation Logic
    CAPEC-72 URL Encoding
    CAPEC-76 Manipulating Web Input to File System Calls
    CAPEC-78 Using Escaped Slashes in Alternate Encoding
    CAPEC-79 Using Slashes in Alternate Encoding
    CAPEC-8 Buffer Overflow in an API Call
    CAPEC-80 Using UTF-8 Encoding to Bypass Validation Logic
    CAPEC-83 XPath Injection
    CAPEC-84 XQuery Injection
    CAPEC-9 Buffer Overflow in Local Command-Line Utilities

    Related CVEs

    CVE-2026-108829 (CVSS 2) — A security flaw has been discovered in Zen Cart up to 2.2.2. Affected by this issue is some unknown functional…
    CVE-2026-108828 (CVSS 1.2) — A vulnerability was identified in Zen Cart 2.2.2. Affected by this vulnerability is the function eval of the f…
    CVE-2026-108827 (CVSS 1.2) — A vulnerability was determined in Zen Cart up to 2.2.2. Affected is the function zen_call_function of the file…
    CVE-2025-9103 (CVSS 1.9) — A vulnerability was detected in ZenCart 2.1.0. Affected by this vulnerability is an unknown functionality of t…
    CVE-2024-5762 (CVSS 8.1) — Zen Cart findPluginAdminPage Local File Inclusion Remote Code Execution Vulnerability. This vulnerability allo…
    CVE-2020-6578 (CVSS 6.1) — Zen Cart 1.5.6d allows reflected XSS via the main_page parameter to includes/templates/template_default/common…
    CVE-2021-3291 (CVSS 7.2) — Zen Cart 1.5.7b allows admins to execute arbitrary OS commands by inspecting an HTML radio input element (with…
    CVE-2015-8352 (CVSS 9.8) — Directory traversal vulnerability in Zen Cart 1.5.4 allows remote attackers to include and execute arbitrary l…
    CVE-2017-11675 (CVSS 8.8) — The traverseStrictSanitize function in admin_dir/includes/classes/AdminRequestSanitizer.php in ZenCart 1.5.5e …
    CVE-2017-10667 (CVSS 6.1) — In index.php in Zen Cart 1.6.0, the products_id parameter can cause XSS.…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High