Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-28957 |
CWE-ID | CWE-79 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
SUSE Linux Enterprise Server for SAP Applications Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing Operating systems & Components / Operating system SUSE Linux Enterprise Module for Public Cloud Operating systems & Components / Operating system SUSE Linux Enterprise Server Operating systems & Components / Operating system python3-lxml-doc Operating systems & Components / Operating system package or component python3-lxml Operating systems & Components / Operating system package or component |
Vendor | SUSE |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU51777
Risk: Low
CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-28957
CWE-ID:
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Exploit availability: No
DescriptionThe 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 disabling the safe_attrs_only and forms arguments, the Cleaner class does not remove the formaction attribute allowing for JS to bypass the sanitizer. A remote attacker can trick the victim to follow a specially crafted link 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.
MitigationUpdate the affected package python3-lxml to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Server for SAP Applications: 12-SP3 - 12-SP5
SUSE Linux Enterprise High Performance Computing: 12
SUSE Linux Enterprise Module for Public Cloud: 12
SUSE Linux Enterprise Server: 12-SP2-LTSS-ERICSSON - 12-SP5
python3-lxml-doc: before 3.3.5-3.15.1
python3-lxml: before 3.3.5-3.15.1
External linkshttp://www.suse.com/support/update/announcement/2022/suse-su-20223934-1/
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.