UBUNTU-CVE-2020-8031

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Source
https://ubuntu.com/security/CVE-2020-8031
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8031.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-8031
Upstream
Published
2021-02-11T15:15:00Z
Modified
2026-04-27T16:40:45.813885Z
Severity
  • 6.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N CVSS Calculator
  • 5.4 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Open Build Service allows remote attackers to store JS code in markdown that is not properly escaped, impacting confidentiality and integrity. This issue affects: Open Build Service versions prior to 2.10.8.

References

Affected packages

Ubuntu:18.04:LTS / open-build-service

Package

Name
open-build-service
Purl
pkg:deb/ubuntu/open-build-service@2.7.4-2?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*
2.7.4-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "obs-api",
            "binary_version": "2.7.4-2"
        },
        {
            "binary_name": "obs-productconverter",
            "binary_version": "2.7.4-2"
        },
        {
            "binary_name": "obs-server",
            "binary_version": "2.7.4-2"
        },
        {
            "binary_name": "obs-utils",
            "binary_version": "2.7.4-2"
        },
        {
            "binary_name": "obs-worker",
            "binary_version": "2.7.4-2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8031.json"

Ubuntu:24.04:LTS / open-build-service

Package

Name
open-build-service
Purl
pkg:deb/ubuntu/open-build-service@2.9.4-10?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*
2.9.4-9
2.9.4-10

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "obs-productconverter",
            "binary_version": "2.9.4-10"
        },
        {
            "binary_name": "obs-server",
            "binary_version": "2.9.4-10"
        },
        {
            "binary_name": "obs-utils",
            "binary_version": "2.9.4-10"
        },
        {
            "binary_name": "obs-worker",
            "binary_version": "2.9.4-10"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8031.json"

Ubuntu:25.10 / open-build-service

Package

Name
open-build-service
Purl
pkg:deb/ubuntu/open-build-service@2.9.4-10?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*
2.9.4-10

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "obs-productconverter",
            "binary_version": "2.9.4-10"
        },
        {
            "binary_name": "obs-server",
            "binary_version": "2.9.4-10"
        },
        {
            "binary_name": "obs-utils",
            "binary_version": "2.9.4-10"
        },
        {
            "binary_name": "obs-worker",
            "binary_version": "2.9.4-10"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8031.json"

Ubuntu:26.04 / open-build-service

Package

Name
open-build-service
Purl
pkg:deb/ubuntu/open-build-service@2.9.4-10?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*
2.9.4-10

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "obs-productconverter",
            "binary_version": "2.9.4-10"
        },
        {
            "binary_name": "obs-server",
            "binary_version": "2.9.4-10"
        },
        {
            "binary_name": "obs-utils",
            "binary_version": "2.9.4-10"
        },
        {
            "binary_name": "obs-worker",
            "binary_version": "2.9.4-10"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8031.json"