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Vulnerability Details :

CVE-2026-30452

Summary
Assigner-mitre
Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At-21 Apr, 2026 | 00:00
Updated At-22 Apr, 2026 | 15:35
Rejected At-
Credits

Textpattern CMS 4.9.0 contains a Broken Access Control vulnerability in the article management system that allows authenticated users with low privileges to modify articles owned by users with higher privileges. By manipulating the article ID parameter during the duplicate-and-save workflow in textpattern/include/txp_article.php, an attacker can bypass authorization checks and overwrite content belonging to other users.

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:21 Apr, 2026 | 00:00
Updated At:22 Apr, 2026 | 15:35
Rejected At:
▼CVE Numbering Authority (CNA)

Textpattern CMS 4.9.0 contains a Broken Access Control vulnerability in the article management system that allows authenticated users with low privileges to modify articles owned by users with higher privileges. By manipulating the article ID parameter during the duplicate-and-save workflow in textpattern/include/txp_article.php, an attacker can bypass authorization checks and overwrite content belonging to other users.

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://github.com/textpattern/textpattern
N/A
https://textpattern.com/weblog/textpattern-491-released-security-fixes-patches-and-tweaks
N/A
Hyperlink: https://github.com/textpattern/textpattern
Resource: N/A
Hyperlink: https://textpattern.com/weblog/textpattern-491-released-security-fixes-patches-and-tweaks
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Problem Types
TypeCWE IDDescription
CWECWE-284CWE-284 Improper Access Control
Type: CWE
CWE ID: CWE-284
Description: CWE-284 Improper Access Control
Metrics
VersionBase scoreBase severityVector
3.16.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cve@mitre.org
Published At:21 Apr, 2026 | 17:16
Updated At:22 Apr, 2026 | 21:24

Textpattern CMS 4.9.0 contains a Broken Access Control vulnerability in the article management system that allows authenticated users with low privileges to modify articles owned by users with higher privileges. By manipulating the article ID parameter during the duplicate-and-save workflow in textpattern/include/txp_article.php, an attacker can bypass authorization checks and overwrite content belonging to other users.

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
Secondary3.16.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Type: Secondary
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CPE Matches

Weaknesses
CWE IDTypeSource
CWE-284Secondary134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE ID: CWE-284
Type: Secondary
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://github.com/textpattern/textpatterncve@mitre.org
N/A
https://textpattern.com/weblog/textpattern-491-released-security-fixes-patches-and-tweakscve@mitre.org
N/A
Hyperlink: https://github.com/textpattern/textpattern
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://textpattern.com/weblog/textpattern-491-released-security-fixes-patches-and-tweaks
Source: cve@mitre.org
Resource: N/A

Change History

0
Information is not available yet

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