CVE-2021-24545
WordPress HTML Author Bio Cross-Site Scripting (XSS) Vulnerability
Description
The WP HTML Author Bio WordPress plugin through 1.2.0 does not sanitise the HTML allowed in the Bio of users, allowing them to use malicious JavaScript code, which will be executed when anyone visit a post in the frontend made by such user. As a result, user with a role as low as author could perform Cross-Site Scripting attacks against users, which could potentially lead to privilege escalation when an admin view the related post/s.
INFO
Published Date :
Oct. 11, 2021, 11:15 a.m.
Last Modified :
Nov. 21, 2024, 5:53 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
2.7
Exploitability Score :
2.3
Public PoC/Exploit Available at Github
CVE-2021-24545 has a 5 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-24545.
| URL | Resource |
|---|---|
| https://wpscan.com/vulnerability/64267134-9d8c-4e0c-b24f-d18692a5775e | Exploit Third Party Advisory |
| https://wpscan.com/vulnerability/64267134-9d8c-4e0c-b24f-d18692a5775e | Exploit Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
None
None
WordPress Plugin HTML Author Bio description XSS
Python
The plugin does not sanitise the HTML allowed in the Bio of users, allowing them to use malicious JavaScript code, which will be executed when anyone visit a post in the frontend made by such user. As a result, user with a role as low as author could perform Cross-Site Scripting attacks against users, which could potentially lead to privilege escalation when an admin view the related post/s.
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-24545 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-24545 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://wpscan.com/vulnerability/64267134-9d8c-4e0c-b24f-d18692a5775e -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Oct. 15, 2021
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:S/C:N/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Changed Reference Type https://wpscan.com/vulnerability/64267134-9d8c-4e0c-b24f-d18692a5775e No Types Assigned https://wpscan.com/vulnerability/64267134-9d8c-4e0c-b24f-d18692a5775e Exploit, Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:wp_html_author_bio_project:wp_html_author_bio:*:*:*:*:*:wordpress:*:* versions up to (including) 1.2.0
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-24545 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-24545
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
13.32 }} 1.08%
score
0.93552
percentile