4.8
MEDIUM
CVE-2021-36828
WordPress Maintenance Stored XSS Vulnerability
Description

Authenticated (admin+) Stored Cross-Site Scripting (XSS) in WP Maintenance plugin <= 6.0.7 versions.

INFO

Published Date :

April 15, 2022, 5:15 p.m.

Last Modified :

Sept. 16, 2024, 7:15 p.m.

Remotely Exploitable :

Yes !

Impact Score :

2.7

Exploitability Score :

1.7
Affected Products

The following products are affected by CVE-2021-36828 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Wp_maintenance_project wp_maintenance
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-2021-36828.

URL Resource
https://patchstack.com/database/vulnerability/wp-maintenance/wordpress-wp-maintenance-plugin-6-0-4-authenticated-stored-cross-site-scripting-xss-vulnerability?_s_id=cve

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).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-36828 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-36828 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.

  • CVE Modified by [email protected]

    Sep. 16, 2024

    Action Type Old Value New Value
    Changed Description Authenticated (admin+) Stored Cross-Site Scripting (XSS) in WP Maintenance plugin <= 6.0.7 versions. Authenticated (admin+) Stored Cross-Site Scripting (XSS) in WP Maintenance plugin <= 6.0.7 versions.
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Oct. 12, 2023

    Action Type Old Value New Value
    Changed Description Authenticated (admin+) Stored Cross-Site Scripting (XSS) in WP Maintenance (WordPress plugin) <= 6.0.4 affects multiple inputs. Authenticated (admin+) Stored Cross-Site Scripting (XSS) in WP Maintenance plugin <= 6.0.7 versions.
    Removed CVSS V3.1 Patchstack AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:N
    Added CVSS V3.1 Patchstack AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
    Removed CVSS V3.1 Reason C-Information leaked appears non-critical/sensitive
    Removed Reference https://patchstack.com/database/vulnerability/wp-maintenance/wordpress-wp-maintenance-plugin-6-0-4-authenticated-stored-cross-site-scripting-xss-vulnerability [Third Party Advisory]
    Removed Reference https://wordpress.org/plugins/wp-maintenance/#developers [Product, Release Notes]
    Added Reference https://patchstack.com/database/vulnerability/wp-maintenance/wordpress-wp-maintenance-plugin-6-0-4-authenticated-stored-cross-site-scripting-xss-vulnerability?_s_id=cve [No Types Assigned]
  • Initial Analysis by [email protected]

    Apr. 21, 2022

    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:H/UI:R/S:C/C:L/I:L/A:N
    Changed Reference Type https://patchstack.com/database/vulnerability/wp-maintenance/wordpress-wp-maintenance-plugin-6-0-4-authenticated-stored-cross-site-scripting-xss-vulnerability No Types Assigned https://patchstack.com/database/vulnerability/wp-maintenance/wordpress-wp-maintenance-plugin-6-0-4-authenticated-stored-cross-site-scripting-xss-vulnerability Third Party Advisory
    Changed Reference Type https://wordpress.org/plugins/wp-maintenance/#developers No Types Assigned https://wordpress.org/plugins/wp-maintenance/#developers Product, Release Notes
    Added CPE Configuration OR *cpe:2.3:a:wp_maintenance_project:wp_maintenance:*:*:*:*:*:wordpress:*:* versions up to (including) 6.0.4
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-36828 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-2021-36828 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.05 }} 0.00%

score

0.20939

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability