Cross-site scripting in drupal7 (Alpine package)

1) Cross-site scripting

EUVDB-ID: #VU27519

Risk: Low

CVSSv3.1: 4.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2020-11023

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: Yes

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 when passing <option> elements to jQuery’s DOM manipulation methods. A remote attacker can execute arbitrary JavaScript 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

drupal7 (Alpine package): 7.37-r0 - 7.69-r1

CPE2.3

• cpe:2.3:o:alpine:drupal7_alpine_package:7.63-r0:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:drupal7_alpine_package:7.69-r0:*:*:*:*:alpine_linux:*:
• cpe:2.3:o:alpine:drupal7_alpine_package:7.61-r0:*:*:*:*:alpine_linux:*:

External links

http://git.alpinelinux.org/aports/commit/?id=32fdb95942174d852bb25ff5a2eedb2b6d56dd41
http://git.alpinelinux.org/aports/commit/?id=571d999c8d7370d6651a1cb6895fc36f88d813a9
http://git.alpinelinux.org/aports/commit/?id=ac863e067199411420689a88193333ce808e6c60

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.