Vulnerability Details : CVE-2021-28002
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.
Vulnerability category: Cross site scripting (XSS)Execute code
Products affected by CVE-2021-28002
- cpe:2.3:a:textpattern:textpattern:4.9.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-28002
0.17%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 55 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-28002
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.5
|
LOW | AV:N/AC:M/Au:S/C:N/I:P/A:N |
6.8
|
2.9
|
NIST | |
|
5.4
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
2.3
|
2.7
|
NIST |
CWE ids for CVE-2021-28002
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-28002
-
https://www.exploit-db.com/exploits/49617
Textpattern CMS 4.9.0-dev - 'Excerpt' Persistent Cross-Site Scripting (XSS) - PHP webapps ExploitExploit;Third Party Advisory;VDB Entry
-
https://www.linkedin.com/in/tushar-vaidya-2111s5/
Sign Up | LinkedInThird Party Advisory
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