CWE-784 (Reliance on Cookies without Validation and Integrity Checking in a Security Decision) documents a weakness type used across vulnerability databases and security assessments. Use the sections below for definition, context, and mapped CVEs.
The product uses a protection mechanism that relies on the existence or values of a cookie, but it does not properly ensure that the cookie is valid for the associated user.
| Kind | Name | Class | Prevalence | OS / CPE |
|---|---|---|---|---|
| language | — | Not Language-Specific | Undetermined | — |
| technology | — | Web Based | Often | — |
| technology | Web Server | — | Undetermined | — |
These CVEs are mapped to this weakness in this database and kept for traceability and search.
| CVE | Published | Summary |
|---|---|---|
| CVE-2026-45055 | 2026-05-13 | CubeCart is an ecommerce software solution. Prior to 6.7.2, CubeCart 6.6.x – 6.7.1 builds CC_STORE_URL directly from the Host request header at bootstrap, with no allowlist. The constant is embedded v… |
| CVE-2024-9820 | 2024-10-15 | The WP 2FA with Telegram plugin for WordPress is vulnerable to Two-Factor Authentication Bypass in versions up to, and including, 3.0. This is due to the two-factor code being stored in a cookie, whic… |
| CVE-2023-3050 | 2023-06-13 | Reliance on Cookies without Validation and Integrity Checking in a Security Decision vulnerability in TMT Lockcell allows Privilege Abuse, Authentication Bypass. This issue affects Lockcell: before 1… |
| CVE-2022-3083 | 2023-02-01 | All versions of Landis+Gyr E850 (ZMQ200) are vulnerable to CWE-784: Reliance on Cookies Without Validation and Integrity. The device's web application navigation depends on the value of the session co… |
| CVE-2020-8184 | 2020-06-19 | A reliance on cookies without validation/integrity check security vulnerability exists in rack < 2.2.3, rack < 2.1.4 that makes it is possible for an attacker to forge a secure or host-only cookie pre… |
| Date | Name | Version | Importance | Comment |
|---|---|---|---|---|
| 2009-10-29 | CWE Content Team | 1.6 | — | updated Relationships |
| 2010-02-16 | CWE Content Team | 1.8 | — | updated Demonstrative_Examples, References, Relationships |
| 2011-06-01 | CWE Content Team | 1.13 | — | updated Common_Consequences |
| 2017-01-19 | CWE Content Team | 2.10 | — | updated Relationships |
| 2017-11-08 | CWE Content Team | 3.0 | — | updated Modes_of_Introduction, References, Relationships |
| 2018-03-27 | CWE Content Team | 3.1 | — | updated References |
| 2020-02-24 | CWE Content Team | 4.0 | — | updated Applicable_Platforms, Relationships |
| 2021-10-28 | CWE Content Team | 4.6 | — | updated Relationships |
| 2023-01-31 | CWE Content Team | 4.10 | — | updated Description |
| 2023-04-27 | CWE Content Team | 4.11 | — | updated Modes_of_Introduction, Relationships, Time_of_Introduction |
| 2023-06-29 | CWE Content Team | 4.12 | — | updated Mapping_Notes |
| 2025-12-11 | CWE Content Team | 4.19 | — | updated Applicable_Platforms, Relationships, Weakness_Ordinalities |