synced 9 MIN AGO
01 Record

CVE-2018-20677

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

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector

02 Description

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

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
3.98% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 90.0% of scored records. A rank, not a probability.
NVD base score
6.1 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2019-01-09 05:00Z7 YR AGO
Last updated
2024-08-05 12:05Z2 YR AGO
Reserved
2019-01-08
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base
Data version
5.1
Document digest
b546e30a6628b0ae5859f5b9b8dc9d983ed1a53c2f85eb1ad75dc9a67c5d3e28

05 Affected products

VendorProductVersionsPlatforms
getbootstrapbootstrapNot specified—
redhatceph_storageNot specified—
redhatcloudforms_managementengineNot specified—
redhatdiscoveryNot specified—
redhatenterprise_linuxNot specified—
redhatjboss_data_gridNot specified—
redhatjboss_enterprise_bpms_platformNot specified—
redhatjboss_enterprise_brms_platformNot specified—
redhatjboss_enterprise_web_serverNot specified—
redhatjboss_fuseNot specified—
redhatjboss_single_sign_onNot specified—
redhatnetwork_satelliteNot specified—
redhatopenshiftNot specified—
redhatopenshift_container_storageNot specified—
redhatopenshift_data_foundationNot specified—
redhatopenstackNot specified—
redhatquayNot specified—
redhatrhev_hypervisorNot specified—
redhatrhev_managerNot specified—
redhatservice_meshNot specified—

06 References

07 Fixed in

AlmaLinux 8

  • custodia
    Fixed in 0.6.0-3.module_el8.6.0+2881+2f24dc92
  • python3-custodia
    Fixed in 0.6.0-3.module_el8.6.0+2881+2f24dc92
  • python3-jwcrypto
    Fixed

    A version is affected if any line below covers it.

    • Affected before 0.5.0-1.module_el8.5.0+2641+983b221b
    • Affected before 0.5.0-1.module_el8.6.0+2737+7e73ea90
    • Affected before 0.5.0-1.module_el8.6.0+2881+2f24dc92
  • python3-kdcproxy
    Fixed in 0.4-5.module_el8.6.0+2881+2f24dc92
  • python3-pyusb
    Fixed

    A version is affected if any line below covers it.

    • Affected before 1.0.0-9.module_el8.5.0+2641+983b221b
    • Affected before 1.0.0-9.module_el8.6.0+2737+7e73ea90
    • Affected before 1.0.0-9.module_el8.6.0+2881+2f24dc92
  • python3-qrcode
    Fixed

    A version is affected if any line below covers it.

    • Affected before 5.1-12.module_el8.5.0+2641+983b221b
    • Affected before 5.1-12.module_el8.6.0+2737+7e73ea90
    • Affected before 5.1-12.module_el8.6.0+2881+2f24dc92
  • python3-qrcode-core
    Fixed

    A version is affected if any line below covers it.

    • Affected before 5.1-12.module_el8.5.0+2641+983b221b
    • Affected before 5.1-12.module_el8.6.0+2737+7e73ea90
    • Affected before 5.1-12.module_el8.6.0+2881+2f24dc92
  • python3-yubico
    Fixed

    A version is affected if any line below covers it.

    • Affected before 1.3.2-9.module_el8.5.0+2641+983b221b
    • Affected before 1.3.2-9.module_el8.6.0+2737+7e73ea90
    • Affected before 1.3.2-9.module_el8.6.0+2881+2f24dc92

Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.

CloudLinux 8

  • custodia
    Fixed in 0.6.0-3.module_el8.6.0+2881+2f24dc92
  • python3-custodia
    Fixed in 0.6.0-3.module_el8.6.0+2881+2f24dc92
  • python3-jwcrypto
    Fixed

    A version is affected if any line below covers it.

    • Affected before 0.5.0-1.module_el8.5.0+2641+983b221b
    • Affected before 0.5.0-1.module_el8.6.0+2737+7e73ea90
    • Affected before 0.5.0-1.module_el8.6.0+2881+2f24dc92
  • python3-kdcproxy
    Fixed in 0.4-5.module_el8.6.0+2881+2f24dc92
  • python3-pyusb
    Fixed

    A version is affected if any line below covers it.

    • Affected before 1.0.0-9.module_el8.5.0+2641+983b221b
    • Affected before 1.0.0-9.module_el8.6.0+2737+7e73ea90
    • Affected before 1.0.0-9.module_el8.6.0+2881+2f24dc92
  • python3-qrcode
    Fixed

    A version is affected if any line below covers it.

    • Affected before 5.1-12.module_el8.5.0+2641+983b221b
    • Affected before 5.1-12.module_el8.6.0+2737+7e73ea90
    • Affected before 5.1-12.module_el8.6.0+2881+2f24dc92
  • python3-qrcode-core
    Fixed

    A version is affected if any line below covers it.

    • Affected before 5.1-12.module_el8.5.0+2641+983b221b
    • Affected before 5.1-12.module_el8.6.0+2737+7e73ea90
    • Affected before 5.1-12.module_el8.6.0+2881+2f24dc92
  • python3-yubico
    Fixed

    A version is affected if any line below covers it.

    • Affected before 1.3.2-9.module_el8.5.0+2641+983b221b
    • Affected before 1.3.2-9.module_el8.6.0+2737+7e73ea90
    • Affected before 1.3.2-9.module_el8.6.0+2881+2f24dc92

Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.

Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.

Debian 12

  • twitter-bootstrap3
    Fixed in 3.4.0+dfsg-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

  • twitter-bootstrap3
    Fixed in 3.4.0+dfsg-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

  • twitter-bootstrap3
    Fixed in 3.4.0+dfsg-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 16.04 LTS

  • twitter-bootstrap
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 18.04 LTS

  • twitter-bootstrap
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 24.04 LTS

  • twitter-bootstrap4
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 25.10

  • twitter-bootstrap4
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 26.04 LTS

  • twitter-bootstrap4
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 26.10

  • twitter-bootstrap4
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro 16.04 LTS

  • twitter-bootstrap3
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro 18.04 LTS

  • twitter-bootstrap3
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro 20.04 LTS

  • twitter-bootstrap4
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro 22.04 LTS

  • twitter-bootstrap4
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.