Vulnerability · Published May 13, 2020 · Assigned by suse
CVE-2020-8020Persistent XSS in markdown parser used by obs-server
Medium 6.5
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 0.9% (higher than 60% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.9%top 39.6% 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 vulnerability in open-build-service allows remote attackers to store arbitrary JS code to cause XSS. This issue affects: openSUSE open-build-service versions prior to 7cc32c8e2ff7290698e101d9a80a9dc29a5500fb.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | open-build-service | 2.9.4-4 | DEBIAN-CVE-2020-8020 |
| Ubuntu:24.04:LTS | open-build-service | no fix listed | UBUNTU-CVE-2020-8020 |
| Ubuntu:25.10 | open-build-service | no fix listed | UBUNTU-CVE-2020-8020 |
| Ubuntu:26.04:LTS | open-build-service | no fix listed | UBUNTU-CVE-2020-8020 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| openSUSE | open-build-service | open-build-service – before 7cc32c8e2ff7290698e101d9a80a9dc29a5500fb |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
References
- https://bugzilla.suse.com/show_bug.cgi?id=1171439 x_refsource_CONFIRM
- [debian-lts-announce] 20210203 [SECURITY] [DLA 2545-1] open-build-service security update mailing-list, x_refsource_MLIST