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
5.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
0.001 Low
EPSS
Percentile
31.4%
A mutation XSS affects users calling bleach.clean with all of: svg or math
in the allowed tags p or br in allowed tags style, title, noscript, script,
textarea, noframes, iframe, or xmp in allowed tags the keyword argument
strip_comments=False Note: none of the above tags are in the default
allowed tags and strip_comments defaults to True.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 18.04 | noarch | python-bleach | < any | UNKNOWN |
ubuntu | 20.04 | noarch | python-bleach | < any | UNKNOWN |
ubuntu | 22.04 | noarch | python-bleach | < any | UNKNOWN |
ubuntu | 23.10 | noarch | python-bleach | < any | UNKNOWN |
ubuntu | 16.04 | noarch | python-bleach | < any | UNKNOWN |
bugzilla.mozilla.org/show_bug.cgi?id=1689399
github.com/mozilla/bleach/commit/79b7a3c5e56a09d1d323a5006afa59b56162eb13
github.com/mozilla/bleach/commit/d398c89e54ced6b1039d3677689707456ba42dec
github.com/mozilla/bleach/security/advisories/GHSA-vv2x-vrpj-qqpq
launchpad.net/bugs/cve/CVE-2021-23980
nvd.nist.gov/vuln/detail/CVE-2021-23980
security-tracker.debian.org/tracker/CVE-2021-23980
www.cve.org/CVERecord?id=CVE-2021-23980
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
5.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
0.001 Low
EPSS
Percentile
31.4%