Medium severity · published Dec 24, 2021
CVE-2021-3977
invoiceninja is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
5.4
CVSS
0.6%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 49% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IN
Invoice Ninja · Invoiceninja
before 4.5.47; 5.0 before 5.3.33 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-3977
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-3977
Patch
https://github.com/invoiceninja/invoiceninja/commit/1186eaa82375692d01d5ef3369c5b7bc7315b55f
Exploit
https://huntr.dev/bounties/99c4ed09-b66f-474a-bd74-eeccf9339fde
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