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GoogleOSV:GHSA-8HC2-HVRC-X4QR

HistoryMay 24, 2022 - 5:12 p.m.

phpBB arbitrary CSS injection

2022-05-2417:12:01

Google

osv.dev

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

6.8 Medium

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

0.001 Low

EPSS

Percentile

46.3%

JSON

phpBB 3.2.7 allows adding an arbitrary Cascading Style Sheets (CSS) token sequence to a page through BBCode.

CPENameOperatorVersion
phpbb/phpbbeq3.2.8-RC1
phpbb/phpbbeq3.2.7

CPE	Name	Operator	Version
	phpbb/phpbb	eq	3.2.8-RC1
	phpbb/phpbb	eq	3.2.7

References

github.com/phpbb/phpbb-app

nvd.nist.gov/vuln/detail/CVE-2019-16108

www.phpbb.com/community/viewtopic.php?t=2523271

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

6.8 Medium

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

0.001 Low

EPSS

Percentile

46.3%

JSON

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