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GoogleOSV:BIT-MYBB-2021-27279

HistoryMar 06, 2024 - 10:59 a.m.

BIT-mybb-2021-27279

2024-03-0610:59:57

Google

osv.dev

mybb

stored xss

nested email tags

mycode

5.4 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

5.6 Medium

AI Score

Confidence

High

3.5 Low

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

25.7%

JSON

MyBB before 1.8.25 allows stored XSS via nested [email] tags with MyCode (aka BBCode).

CPENameOperatorVersion
mybblt1.8.25

CPE	Name	Operator	Version
	mybb	lt	1.8.25

References

github.com/mybb/mybb/commit/cb781b49116bf5c4d8deca3e17498122b701677a

github.com/mybb/mybb/security/advisories/GHSA-6483-hcpp-p75w

mybb.com/versions/1.8.25/

5.4 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

5.6 Medium

AI Score

Confidence

High

3.5 Low

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

25.7%

JSON

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