GoogleOSV:GHSA-FV3H-8X5J-PVGQXSS in python-markdown2
6.1 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
0.004 Low
EPSS
Percentile
71.7%
python-markdown2 through 2.3.8 allows XSS because element names are mishandled unless a \w+ match succeeds. For example, an attack might use elementname@ or elementname- with an onclick attribute.
References
lists.opensuse.org/opensuse-security-announce/2020-05/msg00031.html
lists.opensuse.org/opensuse-security-announce/2020-05/msg00035.html
github.com/trentm/python-markdown2
github.com/trentm/python-markdown2/issues/348
lists.fedoraproject.org/archives/list/[email protected]/message/6XOAIRJJCZNJUALXDHSIGH5PS2H63A3J
lists.fedoraproject.org/archives/list/[email protected]/message/AQLRBGRVRRZK7P5SFL2MNGXFX37YHJAV
lists.fedoraproject.org/archives/list/[email protected]/message/PN6QSHRFZXRQAYZJQ4MOW5MKIXBYOMED
nvd.nist.gov/vuln/detail/CVE-2020-11888
Related
6.1 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
0.004 Low
EPSS
Percentile
71.7%