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Vulnerability Details :

CVE-2020-25817

Summary
Assigner-mitre
Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At-08 Jun, 2021 | 17:54
Updated At-04 Aug, 2024 | 15:40
Rejected At-
Credits

SilverStripe through 4.6.0-rc1 has an XXE Vulnerability in CSSContentParser. A developer utility meant for parsing HTML within unit tests can be vulnerable to XML External Entity (XXE) attacks. When this developer utility is misused for purposes involving external or user submitted data in custom project code, it can lead to vulnerabilities such as XSS on HTML output rendered through this custom code. This is now mitigated by disabling external entities during parsing. (The correct CVE ID year is 2020 [CVE-2020-25817, not CVE-2021-25817]).

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:mitre
Assigner Org ID:8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At:08 Jun, 2021 | 17:54
Updated At:04 Aug, 2024 | 15:40
Rejected At:
▼CVE Numbering Authority (CNA)

SilverStripe through 4.6.0-rc1 has an XXE Vulnerability in CSSContentParser. A developer utility meant for parsing HTML within unit tests can be vulnerable to XML External Entity (XXE) attacks. When this developer utility is misused for purposes involving external or user submitted data in custom project code, it can lead to vulnerabilities such as XSS on HTML output rendered through this custom code. This is now mitigated by disabling external entities during parsing. (The correct CVE ID year is 2020 [CVE-2020-25817, not CVE-2021-25817]).

Affected Products
Vendor
n/a
Product
n/a
Versions
Affected
  • n/a
Problem Types
TypeCWE IDDescription
textN/An/a
Type: text
CWE ID: N/A
Description: n/a
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.silverstripe.org/download/security-releases/
x_refsource_CONFIRM
https://www.silverstripe.org/blog/tag/release
x_refsource_MISC
https://forum.silverstripe.org/c/releases
x_refsource_MISC
https://www.silverstripe.org/download/security-releases/cve-2020-25817
x_refsource_MISC
Hyperlink: https://www.silverstripe.org/download/security-releases/
Resource:
x_refsource_CONFIRM
Hyperlink: https://www.silverstripe.org/blog/tag/release
Resource:
x_refsource_MISC
Hyperlink: https://forum.silverstripe.org/c/releases
Resource:
x_refsource_MISC
Hyperlink: https://www.silverstripe.org/download/security-releases/cve-2020-25817
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.silverstripe.org/download/security-releases/
x_refsource_CONFIRM
x_transferred
https://www.silverstripe.org/blog/tag/release
x_refsource_MISC
x_transferred
https://forum.silverstripe.org/c/releases
x_refsource_MISC
x_transferred
https://www.silverstripe.org/download/security-releases/cve-2020-25817
x_refsource_MISC
x_transferred
Hyperlink: https://www.silverstripe.org/download/security-releases/
Resource:
x_refsource_CONFIRM
x_transferred
Hyperlink: https://www.silverstripe.org/blog/tag/release
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://forum.silverstripe.org/c/releases
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://www.silverstripe.org/download/security-releases/cve-2020-25817
Resource:
x_refsource_MISC
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cve@mitre.org
Published At:08 Jun, 2021 | 18:15
Updated At:17 Jun, 2021 | 15:47

SilverStripe through 4.6.0-rc1 has an XXE Vulnerability in CSSContentParser. A developer utility meant for parsing HTML within unit tests can be vulnerable to XML External Entity (XXE) attacks. When this developer utility is misused for purposes involving external or user submitted data in custom project code, it can lead to vulnerabilities such as XSS on HTML output rendered through this custom code. This is now mitigated by disabling external entities during parsing. (The correct CVE ID year is 2020 [CVE-2020-25817, not CVE-2021-25817]).

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.14.8MEDIUM
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Primary2.03.5LOW
AV:N/AC:M/Au:S/C:N/I:P/A:N
Type: Primary
Version: 3.1
Base score: 4.8
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Type: Primary
Version: 2.0
Base score: 3.5
Base severity: LOW
Vector:
AV:N/AC:M/Au:S/C:N/I:P/A:N
CPE Matches
Silverstripe
silverstripe
>>silverstripe>>Versions before 4.6.0(exclusive)
cpe:2.3:a:silverstripe:silverstripe:*:*:*:*:*:*:*:*
Silverstripe
silverstripe
>>silverstripe>>4.6.0
cpe:2.3:a:silverstripe:silverstripe:4.6.0:rc1:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-611Primarynvd@nist.gov
CWE ID: CWE-611
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://forum.silverstripe.org/c/releasescve@mitre.org
Release Notes
Vendor Advisory
https://www.silverstripe.org/blog/tag/releasecve@mitre.org
Release Notes
Vendor Advisory
https://www.silverstripe.org/download/security-releases/cve@mitre.org
Vendor Advisory
https://www.silverstripe.org/download/security-releases/cve-2020-25817cve@mitre.org
Broken Link
Hyperlink: https://forum.silverstripe.org/c/releases
Source: cve@mitre.org
Resource:
Release Notes
Vendor Advisory
Hyperlink: https://www.silverstripe.org/blog/tag/release
Source: cve@mitre.org
Resource:
Release Notes
Vendor Advisory
Hyperlink: https://www.silverstripe.org/download/security-releases/
Source: cve@mitre.org
Resource:
Vendor Advisory
Hyperlink: https://www.silverstripe.org/download/security-releases/cve-2020-25817
Source: cve@mitre.org
Resource:
Broken Link

Change History

0
Information is not available yet

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Details not found