CVE-2023-26158 describes a Prototype Pollution vulnerability in all versions of the 'mockjs' package, specifically within the Util.extend function. This flaw allows an attacker to inject or modify properties of the JavaScript object prototype, potentially leading to denial of service or unexpected application behavior. With a CVSS score of 8.2 (HIGH), this vulnerability is easily exploitable over the network without user interaction, enabling an attacker to achieve high impact on availability and low impact on integrity. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.1.0CPE matchmatch criteria | cpe:2.3:a:mockjs:mock.js:*:*:*:*:*:node.js:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.