CVE-2021-27949

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-27949
Cross-site Scripting vulnerability in MyBB before 1.8.26 via Custom moderator tools.

6.1 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

4.3 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:N/C:N/I:P/A:N

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References
Link Resource
https://github.com/mybb/mybb/security/advisories/GHSA-cmmr-39v8-8rx2 Patch Release Notes Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:mybb:mybb:*:*:*:*:*:*:*:*
History

16 Mar 2021, 17:48

Type Values Removed Values Added
CPE cpe:2.3:a:mybb:mybb:*:*:*:*:*:*:*:*
References (MISC) https://github.com/mybb/mybb/security/advisories/GHSA-cmmr-39v8-8rx2 - (MISC) https://github.com/mybb/mybb/security/advisories/GHSA-cmmr-39v8-8rx2 - Patch, Release Notes, Third Party Advisory
CWE CWE-79
CVSS v2 : unknown
v3 : unknown 		v2 : 4.3
v3 : 6.1

15 Mar 2021, 18:21

Type Values Removed Values Added
New CVE
Information

Published : 2021-03-15 18:15

Updated : 2023-12-10 13:41

NVD link : CVE-2021-27949

Mitre link : CVE-2021-27949

CVE.ORG link : CVE-2021-27949

JSON object : View

Products Affected

mybb

  • mybb
CWE
CWE-79

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