This security advisory describes one medium risk vulnerability.
CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C] [PCI]
Exploit availability: NoDescription
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.Mitigation
Update Backdrop Core to version 1.12.5 or 1.11.8.
Backdrop CMS: 1.11.0, 1.11.1, 1.11.2, 1.11.3, 1.11.4, 1.11.5, 1.11.6, 1.11.7, 1.12.0, 1.12.1, 1.12.2, 1.12.3, 1.12.4CPE
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.