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CVE-2021-28002

MEDIUM
5.4
CVSS Score
Published: August 19, 2021 at 01:50 PM UTC
Updated: June 17, 2026 at 03:45 AM UTC
1 product affected across 1 vendorTextpattern

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Severity
MEDIUM5.4
Exploit prediction
EPSS 1%

Description

A persistent cross-site scripting vulnerability was discovered in the Excerpt parameter in Textpattern CMS 4.9.0 which allows remote attackers to execute arbitrary code via a crafted payload entered into the URL field. The vulnerability is triggered by users visiting the 'Articles' page.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

x_refsource_MISCExploitThird Party AdvisoryVDB Entry
Source: [email protected]
https://www.exploit-db.com/exploits/49617
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://www.linkedin.com/in/tushar-vaidya-2111s5/

CVSS

5.4MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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