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5 vulnerabilities by Grav
CVE-2026-56700 (GCVE-0-2026-56700)
Vulnerability from cvelistv5 – Published: 2026-06-30 22:08 – Updated: 2026-07-01 14:40
VLAI?
Title
Grav - Multiple Remote Code Execution Vulnerabilities via Unsafe Unserialize and Command Injection
Summary
Grav CMS before 2.0.0-beta.2 contains multiple code-execution vulnerabilities. Three unsafe unserialize() calls - in Scheduler\JobQueue, Framework\Cache\Adapter\FileCache, and Session - deserialize untrusted data without restricting allowed classes, enabling PHP object injection and, via a gadget chain, arbitrary code execution where an attacker controls the serialized input. Additionally, InstallCommand's git clone operation passes the branch, url, and path parameters into a shell command without escaping, allowing OS command injection via plugin/theme installation (which requires admin access). A Twig security blocklist bypass (server-side template injection) is also present. The issues are fixed in 2.0.0-beta.2.
Severity ?
9.8 (Critical)
CWE
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
Credits
Proscan-one
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CVE-2020-37256 (GCVE-0-2020-37256)
Vulnerability from cvelistv5 – Published: 2026-06-25 21:41 – Updated: 2026-06-27 02:27
VLAI?
Title
Grav - Cross-Site Scripting in Admin Plugin Page Editor
Summary
Grav before 1.6.30 contains a cross-site scripting vulnerability in the Admin plugin page editor default security configuration. Privileged users with page editing capabilities can inject malicious scripts to execute arbitrary code and install malicious plugins for system access.
Severity ?
5.4 (Medium)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
Credits
ShrubberyRubbery
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CVE-2026-56701 (GCVE-0-2026-56701)
Vulnerability from cvelistv5 – Published: 2026-06-23 12:13 – Updated: 2026-06-23 14:42
VLAI?
Title
Grav - XML External Entity Injection via SVG Upload
Summary
Grav before 2.0.0-beta.2 contains an XML external entity injection vulnerability in SVG file upload processing that allows authenticated attackers to read arbitrary files. The application uses simplexml_load_string without disabling external entity loading, enabling attackers to inject XXE payloads via malicious SVG files to exfiltrate sensitive data.
Severity ?
CWE
- CWE-611 - Improper Restriction of XML External Entity Reference
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
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CVE-2026-11982 (GCVE-0-2026-11982)
Vulnerability from cvelistv5 – Published: 2026-06-18 16:22 – Updated: 2026-06-18 17:26
VLAI?
Title
Stored XSS via missing XSS safety check in Admin2 Pages API partial validation
Summary
Grav 2.0.0-rc.9 with Admin2 2.0.0-rc.14 contains a stored cross-site scripting (XSS) vulnerability in the Admin2 Pages API save flow.
Severity ?
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Grav | grav-plugin-api |
Affected:
1.7.52
|
Credits
Santiago Alvarez
Fluid Attacks' AI SAST Scanner
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CVE-2026-7317 (GCVE-0-2026-7317)
Vulnerability from cvelistv5 – Published: 2026-04-28 20:30 – Updated: 2026-04-29 13:01 X_Open Source
VLAI?
Title
Grav CMS Cache Value FileCache.php doGet deserialization
Summary
A vulnerability was found in Grav CMS up to 1.7.49.5/2.0.0-beta.1. Affected by this vulnerability is the function FileCache::doGet of the file system/src/Grav/Framework/Cache/Adapter/FileCache.php of the component Cache Value Handler. The manipulation results in deserialization. The attack may be launched remotely. The attack requires a high level of complexity. The exploitation appears to be difficult. The exploit has been made public and could be used. Upgrading to version 2.0.0-beta.2 addresses this issue. The patch is identified as c66dfeb5f. The affected component should be upgraded.
Severity ?
Assigner
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
Credits
s4nnty (VulDB User)
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