Medium severity · published Feb 22, 2021
CVE-2021-27370
The Contact page in Monica 2.19.1 allows stored XSS via the Last Name field
5.4
CVSS
3.3%
EPSS
No
On KEV
Description
The Contact page in Monica 2.19.1 allows stored XSS via the Last Name field.
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)3.3% · higher than 88% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MO
Monica · Monicahq
2.19.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-27370
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-27370
Exploit
http://packetstormsecurity.com/files/161501/Monica-2.19.1-Cross-Site-Scripting.html
Exploit
https://github.com/monicahq/monica/issues/4888
Exploit
https://github.com/monicahq/monica/pull/4543
Exploit
https://huntr.dev/bounties/2-other-monica/
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