Vulnerability · Published Feb 11, 2021 · Assigned by suse

CVE-2020-8031obs: Stored XSS

Medium 6.3

In plain English

A medium-severity cross-site scripting in Open Build Service from openSUSE. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 55% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)0.8%top 44.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12open-build-service2.9.4-4DEBIAN-CVE-2020-8031
Ubuntu:24.04:LTSopen-build-serviceno fix listedUBUNTU-CVE-2020-8031
Ubuntu:25.10open-build-serviceno fix listedUBUNTU-CVE-2020-8031
Ubuntu:26.04:LTSopen-build-serviceno fix listedUBUNTU-CVE-2020-8031

Affected products (as reported)

VendorProductVersions
openSUSE Open Build Service Open Build Service – before 2.10.8

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N

References