Bootstrap up to 3.3.x Affix Configuration cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Bootstrap up to 3.3.x. This affects an unknown function of the component Affix Configuration Handler. The manipulation results in cross site scripting. This vulnerability was named CVE-2018-20677. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Bootstrap up to 3.3.x. Affected is some unknown functionality of the component Affix Configuration Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. 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. This is going to have an impact on integrity. CVE summarizes:

In Bootstrap before 3.4.0, XSS is possible in the affix configuration target property.

The bug was discovered 12/13/2018. The weakness was presented 01/09/2019 (Website). The advisory is shared for download at blog.getbootstrap.com. This vulnerability is traded as CVE-2018-20677 since 01/08/2019. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

The vulnerability was handled as a non-public zero-day exploit for at least 27 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 294770 (MiracleLinux 8 : idm:DL1 (AXSA:2021-1595:01)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 3.4.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (294770). See VDB-128792 and VDB-128927 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 294770
Nessus Name: MiracleLinux 8 : idm:DL1 (AXSA:2021-1595:01)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Bootstrap 3.4.0
Patch: github.com

Timelineinfo

12/13/2018 🔍
01/08/2019 +26 days 🔍
01/09/2019 +1 days 🔍
01/09/2019 +0 days 🔍
01/10/2019 +1 days 🔍
01/21/2026 +2568 days 🔍

Sourcesinfo

Advisory: RHSA-2019:1456
Status: Confirmed

CVE: CVE-2018-20677 (🔍)
GCVE (CVE): GCVE-0-2018-20677
GCVE (VulDB): GCVE-100-128928
See also: 🔍

Entryinfo

Created: 01/10/2019 21:00
Updated: 01/21/2026 13:08
Changes: 01/10/2019 21:00 (58), 04/27/2020 21:05 (1), 06/23/2023 14:54 (5), 01/21/2026 13:08 (18)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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