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Not in CISA KEV
HIGH severity

Gleez CMS CSRF Allows Adding of Administrator AccountsGHSA-g644-x4hj-cmhq

HIGH

GHSA-g644-x4hj-cmhq is a high-severity (CVSS 8.8) Cross-Site Request Forgery (CSRF) vulnerability in gleez/cms. 1 public exploit or proof-of-concept reference is indexed, so weaponization risk is real. The records list no fixed version yet; check the vendor advisory below and apply the mitigations in the meantime.

Also known asCVE-2018-15845
Published
Updated
Affected
1 pkg
Patched
See advisory
Exploits
1 known
Exploitation data as of Nov 6, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
2.3%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs84th percentile — riskier than 84% of all scored CVEsHighest risk
0.10%1.02%1.95%2.87%0.6%2.3%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
🐘gleez/cms

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

Description

There is a CSRF vulnerability that can add an administrator account in Gleez CMS 1.2.0 via admin/users/add.

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
🐘Packagistgleez/cmsall versionsNo fix

Affected Products

1 product · 1 configurations
Application
gleez cmsgleezcms
1 version
1.2.0
Exploits & PoCs
1

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

EDB-45258webappsphp

Gleez CMS 1.2.0 - Cross-Site Request Forgery (Add Admin)

by GunEggWang · Aug 27, 2018

Exploit-DB Source

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for gleez/cms, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Remediation status

    The records we use list no patched version of gleez/cms for GHSA-g644-x4hj-cmhq. Check the maintainer's advisory, and where your build allows, override or pin the dependency away from the vulnerable range.

  3. Mitigate without a patch

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

There is a CSRF vulnerability that can add an administrator account in Gleez CMS 1.2.0 via `admin/users/add`.
O3 Security · Impact-Aware SCA

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Gleez CMS CSRF Allows Adding of Administrator Accounts