CVE-2020-8020

Persistent XSS in markdown parser used by obs-server

Severity Score

6.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Una vulnerabilidad de Neutralización Inapropiada de Entrada Durante la Generación de una Página Web en open-build-service, permite a atacantes remotos almacenar código JS arbitrario para causar un ataque de tipo XSS. Este problema afecta: openSUSE open-build-service versiones anteriores a 7cc32c8e2ff7290698e101d9a80a9dc29a5500fb.

*Credits: Victor Pereira of SUSE

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-01-27 CVE Reserved
2020-05-13 CVE Published
2023-05-17 EPSS Updated
2024-09-16 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CAPEC

References (2)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2021/02/msg00006.html	Mailing List

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://bugzilla.suse.com/show_bug.cgi?id=1171439	2021-03-15

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Opensuse Search vendor "Opensuse"		Open Build Service Search vendor "Opensuse" for product "Open Build Service"				< 2020-05-13 Search vendor "Opensuse" for product "Open Build Service" and version " < 2020-05-13"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0"		-		Affected