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Vulnerability record · CVE-2018-11209 · published 16 May 2018

CVE-2018-11209: Zblogcn z-blogphp broken cryptographic algorithm vulnerability

ZZblogcn · Z Blogphp

An issue was discovered in Z-BlogPHP 2.0.0. zb_system/cmd.php?act=verify relies on MD5 for the password parameter, which might make it easier for attackers to bypass intended access restrictions via a dictionary or rainbow-table attack. NOTE: the vendor declined to accept this as a valid issue

7.2 CVSS 3.0 High EPSS 1.0% · top 38.5% CWE-327 · Broken cryptographic algorithm
7.2CVSS 3.0 base score, v2 4.0
1.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

An issue was discovered in Z-BlogPHP 2.0.0. zb_system/cmd.php?act=verify relies on MD5 for the password parameter, which might make it easier for attackers to bypass intended access restrictions via a dictionary or rainbow-table attack. NOTE: the vendor declined to accept this as a valid issue

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/zblogcn/zblogphp/issues/188 ExploitThird Party Advisory
https://github.com/zblogcn/zblogphp/issues/205 Third Party Advisory
https://github.com/zblogcn/zblogphp/issues/188 ExploitThird Party Advisory
https://github.com/zblogcn/zblogphp/issues/205 Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2024-55529Zblogcn z-blogphp code injection vulnerabilityZ-BlogPHP 1.7.3 is vulnerable to arbitrary code execution via \zb_users\theme\shell\template.EPSS 0.60%9.8CVE-2022-40357Zblogcn z-blogphp server-side request forgery (ssrf) vulnerabilityA security issue was discovered in Z-BlogPHP <= 1.7.2. A Server-Side Request Forgery (SSRF) vulnerability in the zb_users/plugin/UEditor/php/action_c…EPSS 1.5%9.1CVE-2020-29177Zblogcn z-blogphp vulnerabilityZ-BlogPHP v1.6.1.2100 was discovered to contain an arbitrary file deletion vulnerability via \app_del.php.EPSS 0.96%8.8CVE-2018-19463Zblogcn z-blogphp code injection vulnerabilityzb_system/function/lib/upload.php in Z-BlogPHP through 1.5.1 allows remote attackers to execute arbitrary PHP code by using the image/jpeg content ty…EPSS 2.2%8.8CVE-2018-18842Zblogcn z-blogphp cross-site request forgery vulnerabilityCSRF exists in zb_users/plugin/AppCentre/theme.js.php in Z-BlogPHP 1.5.2.1935 (Zero), which allows remote attackers to execute arbitrary PHP code.EPSS 0.82%8.8CVE-2018-8893Zblogcn z-blogphp cross-site request forgery vulnerabilityZ-BlogPHP 1.5.1 Zero has CSRF in plugin_edit.php, resulting in the ability to execute arbitrary PHP code.EPSS 0.45%7.8CVE-2020-29176Zblogcn z-blogphp unrestricted file upload vulnerabilityAn arbitrary file upload vulnerability in Z-BlogPHP v1.6.1.2100 allows attackers to execute arbitrary code via a crafted JPG file.EPSS 0.86%7.5CVE-2020-23352Zblogcn z-blogphp vulnerabilityZ-BlogPHP 1.6.0 Valyria is affected by incorrect access control. PHP loose comparison and a magic hash can be used to bypass authentication. zb_user/…EPSS 1.1%

Source: NIST National Vulnerability Database (record CVE-2018-11209), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.