CVE-2021-28001

CVSS V2 Low 3.5 CVSS V3 Medium 5.4

Description

A cross-site scripting vulnerability was discovered in the Comments parameter in Textpattern CMS 4.8.4 which allows remote attackers to execute arbitrary code via a crafted payload entered into the URL field. The vulnerability is triggered by users visiting https://site.com/articles/welcome-to-your-site#comments-head.

Overview

CVE ID
CVE-2021-28001

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2021-08-19T14:39:31

Last Modified Date
2021-08-23T15:01:14

Weakness Enumerations

CWE	URL
CWE-79	http://cwe.mitre.org/data/definitions/79.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:textpattern:textpattern:4.8.4:::::::*	1	OR

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:M/Au:S/C:N/I:P/A:N

Access Vector
NETWORK

Access Compatibility
MEDIUM

Authentication
SINGLE

Confidentiality Impact
NONE

Integrity Impact
PARTIAL

Availability Impact
NONE

Base Score
3.5

Severity
LOW

Exploitability Score
6.8

Impact Score
2.9

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
REQUIRED

Scope
CHANGED

Confidentiality Impact
LOW

Availability Impact
NONE

Base Score
5.4

Base Severity
MEDIUM

Exploitability Score
2.3

Impact Score
2.7

References

Reference URL	Reference Tags
https://www.exploit-db.com/exploits/49616	Exploit Third Party Advisory VDB Entry

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-28001
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28001

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 06:56:28				Added to TrackCVE
2022-12-05 08:34:36	2021-08-19T14:39Z	2021-08-19T14:39:31	CVE Published Date	updated
2022-12-05 08:34:36		2021-08-23T15:01:14	CVE Modified Date	updated
2022-12-05 08:34:36		Analyzed	Vulnerability Status	updated