#VU57204 Stored cross-site scripting in calibreweb


Published: 2021-10-11

Vulnerability identifier: #VU57204

Vulnerability risk: Low

CVSSv3.1: 5.6 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-25964

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
calibreweb
Web applications / Modules and components for CMS

Vendor: Jan B

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in "Metadata". A remote authenticated attacker can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

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
Install update from vendor's website.

Vulnerable software versions

calibreweb: 0.6.0 - 0.6.12


External links
http://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25964
http://github.com/janeczku/calibre-web/commit/32e27712f0f71fdec646add20cd78b4ce75acfce


Q & A

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.


Latest bulletins with this vulnerability