CVE-2019-9055
An issue was discovered in CMS Made Simple 2.2.8. In the module DesignManager (in the files...
An issue was discovered in CMS Made Simple 2.2.8. In the module DesignManager (in the files action.admin_bulk_css.php and action.admin_bulk_template.php), with an unprivileged user with Designer permission, it is possible reach an unserialize call with a crafted value in the m1_allparms parameter, and achieve object injection.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
An issue was discovered in CMS Made Simple 2.2.8. In the module DesignManager (in the files action.admin_bulk_css.php and action.admin_bulk_template.php), with an unprivileged user with Designer permission, it is possible reach an unserialize call with a crafted value in the m1_allparms parameter, and achieve object injection.
- Record
CVE-2019-9055- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-502
- Updated
- 2026-11-02
CVE List No score
An issue was discovered in CMS Made Simple 2.2.8. In the module DesignManager (in the files action.admin_bulk_css.php and action.admin_bulk_template.php), with an unprivileged user with Designer permission, it is possible reach an unserialize call with a crafted value in the m1_allparms parameter, and achieve object injection.
- Record
CVE-2019-9055- Updated
- 2026-11-02
EUVDEUVD-2019-18441 No score
An issue was discovered in CMS Made Simple 2.2.8. In the module DesignManager (in the files action.admin_bulk_css.php and action.admin_bulk_template.php), with an unprivileged user with Designer permission, it is possible reach an unserialize call with a crafted value in the m1_allparms parameter, and achieve object injection.
- Record
EUVD-2019-18441- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-45rr-q6mf-fx4v
An issue was discovered in CMS Made Simple 2.2.8. In the module DesignManager (in the files...
An issue was discovered in CMS Made Simple 2.2.8. In the module DesignManager (in the files action.admin_bulk_css.php and action.admin_bulk_template.php), with an unprivileged user with Designer permission, it is possible reach an unserialize call with a crafted value in the m1_allparms parameter, and achieve object injection.
- Record
GHSA-45rr-q6mf-fx4v- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Metasploit | CMS Made Simple Authenticated RCE via object injection | 2019-03-26 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, Metasploit, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-9055 is a high vulnerability (CVSS 8.8) in Cmsmadesimple Cms Made Simple, published March 26, 2019. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 12.3%, the 96th percentile. No source names a fixed version.
References
cmsmadesimple.org/2019/03/Announcing-CMS-Made-Simple-v2.2.10-Spuzzum
newsletter.cmsmadesimple.org/w/89247Qog4jCRCuRinvhsofwg
packetstormsecurity.com/files/155322/CMS-Made-Simple-2.2.8-Remote-Code-Execution.html
blog.certimetergroup.com/it/articolo/security/CMS_Made_Simple_deserialization_attack_%28CVE-2019-9055%29
nvd.nist.gov/vuln/detail/CVE-2019-9055
github.com/advisories/GHSA-45rr-q6mf-fx4v