CVE-2018-20677
In Bootstrap before 3.4.0, XSS is possible in the affix configuration target property.
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
06 References
- github.comhttps://github.com/twbs/bootstrap/issues/27915#issuecomment-452140906
- github.comhttps://github.com/twbs/bootstrap/issues/27045
- blog.getbootstrap.comhttps://blog.getbootstrap.com/2018/12/13/bootstrap-3-4-0/
- github.comhttps://github.com/twbs/bootstrap/pull/27047
- github.comhttps://github.com/twbs/bootstrap/issues/27915#issuecomment-452196628
- access.redhat.comRHSA-2019:1456https://access.redhat.com/errata/RHSA-2019:1456
- access.redhat.comRHBA-2019:1076https://access.redhat.com/errata/RHBA-2019:1076
- access.redhat.comRHBA-2019:1570https://access.redhat.com/errata/RHBA-2019:1570
- lists.apache.org[superset-dev] 20190926 Re: [VOTE] Release Superset 0.34.1 based on Superset 0.34.1rc1https://lists.apache.org/thread.html/52e0e6b5df827ee7f1e68f7cc3babe61af3b2160f5d74a85469b7b0e%40%3Cdev.superset.apache.org%3E
- access.redhat.comRHSA-2019:3023https://access.redhat.com/errata/RHSA-2019:3023
- access.redhat.comRHSA-2020:0132https://access.redhat.com/errata/RHSA-2020:0132
- access.redhat.comRHSA-2020:0133https://access.redhat.com/errata/RHSA-2020:0133
- lists.apache.org[pulsar-commits] 20201215 [GitHub] [pulsar] yanshuchong opened a new issue #8967: CVSS issue listhttps://lists.apache.org/thread.html/rd0e44e8ef71eeaaa3cf3d1b8b41eb25894372e2995ec908ce7624d26%40%3Ccommits.pulsar.apache.org%3E
- www.tenable.comhttps://www.tenable.com/security/tns-2021-14
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.