4.8
MEDIUM
CVE-2018-15891
FreePBX Asterisk Cross-Site Scripting
Description

An issue was discovered in FreePBX core before 3.0.122.43, 14.0.18.34, and 5.0.1beta4. By crafting a request for adding Asterisk modules, an attacker is able to store JavaScript commands in a module name.

INFO

Published Date :

June 20, 2019, 5:15 p.m.

Last Modified :

Dec. 10, 2019, 5:19 p.m.

Remotely Exploitable :

Yes !

Impact Score :

2.7

Exploitability Score :

1.7
Affected Products

The following products are affected by CVE-2018-15891 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 Freepbx freepbx
1 Sangoma freepbx
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-2018-15891.

URL Resource
https://wiki.freepbx.org/display/FOP/2018-09-11+Core+Stored+XSS?src=contextnavpagetreemode Vendor Advisory
https://www.freepbx.org/ Product

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-2018-15891 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2018-15891 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
  • CPE Deprecation Remap by [email protected]

    Dec. 10, 2019

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:freepbx:freepbx:*:*:*:*:*:*:*:* versions from (including) 15.0.0 from (including) 15.0.1 OR *cpe:2.3:a:sangoma:freepbx:*:*:*:*:*:*:*:* versions from (including) 15.0.0 from (including) 15.0.1
  • CPE Deprecation Remap by [email protected]

    Dec. 10, 2019

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:freepbx:freepbx:15.0.1:beta4:*:*:*:*:*:* OR *cpe:2.3:a:sangoma:freepbx:15.0.1:beta4:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Dec. 10, 2019

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:freepbx:freepbx:*:*:*:*:*:*:*:* versions from (including) 14.0.0 from (excluding) 14.0.18.34 OR *cpe:2.3:a:sangoma:freepbx:*:*:*:*:*:*:*:* versions from (including) 14.0.0 from (excluding) 14.0.18.34
  • CPE Deprecation Remap by [email protected]

    Dec. 10, 2019

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:freepbx:freepbx:*:*:*:*:*:*:*:* versions from (excluding) 13.0.122.43 OR *cpe:2.3:a:sangoma:freepbx:*:*:*:*:*:*:*:* versions from (excluding) 13.0.122.43
  • Initial Analysis by [email protected]

    Jun. 27, 2019

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 (AV:N/AC:M/Au:S/C:N/I:P/A:N)
    Added CVSS V3 AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
    Changed Reference Type https://wiki.freepbx.org/display/FOP/2018-09-11+Core+Stored+XSS?src=contextnavpagetreemode No Types Assigned https://wiki.freepbx.org/display/FOP/2018-09-11+Core+Stored+XSS?src=contextnavpagetreemode Vendor Advisory
    Changed Reference Type https://www.freepbx.org/ No Types Assigned https://www.freepbx.org/ Product
    Added CWE CWE-79
    Added CPE Configuration OR *cpe:2.3:a:freepbx:freepbx:*:*:*:*:*:*:*:* versions up to (excluding) 13.0.122.43 *cpe:2.3:a:freepbx:freepbx:*:*:*:*:*:*:*:* versions from (including) 14.0.0 up to (excluding) 14.0.18.34 *cpe:2.3:a:freepbx:freepbx:*:*:*:*:*:*:*:* versions from (including) 15.0.0 up to (including) 15.0.1 *cpe:2.3:a:freepbx:freepbx:15.0.1:-:*:*:*:*:*:* *cpe:2.3:a:freepbx:freepbx:15.0.1:beta4:*:*:*:*:*:*
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-2018-15891 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-2018-15891 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

0.20649

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability