CVE-2019-20921

mediumpriority · track · 25EPSS 0.017 · 78 %ileDEEUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
1.74% (78th) EPSS
CVSS 4.3 · medium
Is it mine?
45 products
Check your exposure
Who says so?
6 sources
cnnvd · enisa_euvd · osv · cert_bund

EPSS · scored 2026-10-27

bootstrap-select before 1.13.6 allows Cross-Site Scripting (XSS). It does not escape title values in OPTION elements. This may allow attackers to execute arbitrary JavaScript in a victim's browser.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • Fixedovirt-web-ui-0:1.6.7-1.el8ev.noarch as a component of RHEL-8-RHEV-S-4.4 - Red Hat Virtualization Engine 4.4redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/2974891

    https://access.redhat.com/errata/RHSA-2021:1169
  • Fixedovirt-web-ui-0:1.6.7-1.el8ev.src as a component of RHEL-8-RHEV-S-4.4 - Red Hat Virtualization Engine 4.4redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/2974891

    https://access.redhat.com/errata/RHSA-2021:1169
  • Fixedovirt-engine-ui-extensions-0:1.2.5-1.el8ev.noarch as a component of RHEL-8-RHEV-S-4.4 - Red Hat Virtualization Engine 4.4redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/2974891

    https://access.redhat.com/errata/RHSA-2021:1186
  • Fixedovirt-engine-ui-extensions-0:1.2.5-1.el8ev.src as a component of RHEL-8-RHEV-S-4.4 - Red Hat Virtualization Engine 4.4redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/2974891

    https://access.redhat.com/errata/RHSA-2021:1186
02

cvss

Technical severity, 0–10. One row per scoring source.

6.1
010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9
v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7
v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · OSV
v3.15.6mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)
v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · Red Hat Product Security US
03

weaknesses

The CWE weakness classes this flaw belongs to.

04

affected products (45)

Products and version ranges known to be affected.

showing 20 of 45
05

advisories (5)

Vendor and ecosystem advisories describing this.

  • RHSA-2021:1169Red Hat Security Advisory: RHV Manager (ovirt-engine) 4.4.z [ovirt-4.4.5] security, bug fix, enhancement2021-04-14csaf · redhat_csafUS

    An update is now available for Red Hat Virtualization Engine 4.4. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

  • RHSA-2021:1186Red Hat Security Advisory: RHV Manager (ovirt-engine) 4.4.z [ovirt-4.4.5] 0-day security, bug fix, enhance2021-04-14csaf · redhat_csafUS

    An update for org.ovirt.engine-root, ovirt-engine-ui-extensions, and ovirt-web-ui is now available for Red Hat Virtualization Engine 4.4. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

  • WID-SEC-W-2022-0808Red Hat Virtualization Engine: Mehrere SchwachstellenDeutsch2021-04-14csaf · cert_bundDE

    Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in der Red Hat Virtualization Engine ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen, beliebigen Code auszuführen, einen Denial of Service Zustand auszulösen und kryptographische Maßnahmen zu umgehen.

  • GHSA-7c82-mp33-r854Cross-site scripting in bootstrap-select2021-05-07ghsa · osvUS

    bootstrap-select before 1.13.6 allows Cross-Site Scripting (XSS). It does not escape title values in OPTION elements. This may allow attackers to execute arbitrary JavaScript in a victim's browser.

  • GHSA-9r7h-6639-v5mwCross-Site Scripting in bootstrap-select2020-09-03ghsa · osvUS

    Versions of `bootstrap-select` prior to 1.13.6 are vulnerable to Cross-Site Scripting (XSS). The package does not escape `title` values on `<option>` tags. This may allow attackers to execute arbitrary JavaScript in a victim's browser. ## Recommendation Upgrade to version 1.13.6 or later.

06

also known as (6)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

09

references (18)

External citations — patches, advisories, analysis.

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