6.1
MEDIUM
CVE-2021-22889
Revive Adserver Reflected Cross-Site Scripting
Description

Revive Adserver before v5.2.0 is vulnerable to a reflected XSS vulnerability in the `statsBreakdown` parameter of stats.php (and possibly other scripts) due to single quotes not being escaped. An attacker could trick a user with access to the user interface of a Revive Adserver instance into clicking on a specifically crafted URL and pressing a certain key combination to execute injected JavaScript code.

INFO

Published Date :

March 25, 2021, 8:15 p.m.

Last Modified :

March 27, 2021, 2:46 a.m.

Remotely Exploitable :

Yes !

Impact Score :

2.7

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2021-22889 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 Revive-adserver revive_adserver
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-2021-22889.

URL Resource
https://github.com/revive-adserver/revive-adserver/commit/2f868414 Patch Third Party Advisory
https://hackerone.com/reports/1097217 Exploit Third Party Advisory
https://www.revive-adserver.com/security/revive-sa-2021-003/ Vendor 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).

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

The following list is the news that have been mention CVE-2021-22889 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-22889 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]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Mar. 27, 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:N/C:N/I:P/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    Changed Reference Type https://github.com/revive-adserver/revive-adserver/commit/2f868414 No Types Assigned https://github.com/revive-adserver/revive-adserver/commit/2f868414 Patch, Third Party Advisory
    Changed Reference Type https://hackerone.com/reports/1097217 No Types Assigned https://hackerone.com/reports/1097217 Exploit, Third Party Advisory
    Changed Reference Type https://www.revive-adserver.com/security/revive-sa-2021-003/ No Types Assigned https://www.revive-adserver.com/security/revive-sa-2021-003/ Vendor Advisory
    Added CWE NIST CWE-79
    Added CPE Configuration OR *cpe:2.3:a:revive-adserver:revive_adserver:*:*:*:*:*:*:*:* versions up to (excluding) 5.2.0
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-2021-22889 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-2021-22889 weaknesses.

Exploit Prediction

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

0.10 }} 0.01%

score

0.41127

percentile

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