Medium severity · published Jul 18, 2019
CVE-2019-13643
Stored XSS in EspoCRM before 5.6.4 allows remote attackers to execute malicious JavaScript and inject arbitrary source code into the target pages
6.1
CVSS
1.1%
EPSS
No
On KEV
Description
Stored XSS in EspoCRM before 5.6.4 allows remote attackers to execute malicious JavaScript and inject arbitrary source code into the target pages. The attack begins by storing a new stream message containing an XSS payload. The stored payload can then be triggered by clicking a malicious link on the Notifications page.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 66% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ES
Espocrm · Espocrm
before 5.6.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-13643
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-13643
Exploit
https://github.com/espocrm/espocrm/issues/1349
Third Party Advisory
https://github.com/espocrm/espocrm/milestone/64?closed=1
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