High severity · published May 11, 2023
CVE-2023-24539
Angle brackets (<>) are not considered dangerous characters when inserted into CSS contexts
7.3
CVSS
1%
EPSS
No
On KEV
Description
Angle brackets (<>) are not considered dangerous characters when inserted into CSS contexts. Templates containing multiple actions separated by a '/' character can result in unexpectedly closing the CSS context and allowing for injection of unexpected HTML, if executed with untrusted input.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 64% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GO
GO · Golang
before 1.19.9; 1.20.0 before 1.20.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-24539
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-24539
Patch
https://go.dev/cl/491615
Issue Tracking
https://go.dev/issue/59720
Mailing List
https://groups.google.com/g/golang-announce/c/MEb0UyuSMsU
Vendor Advisory
https://pkg.go.dev/vuln/GO-2023-1751
security.netapp.com
https://security.netapp.com/advisory/ntap-20241129-0005/
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