Medium severity · published Jul 19, 2021
CVE-2021-35043
OWASP AntiSamy before 1.6.4 allows XSS via HTML attributes when using the HTML output serializer (XHTML is not affected)
6.1
CVSS
1.5%
EPSS
No
On KEV
Description
OWASP AntiSamy before 1.6.4 allows XSS via HTML attributes when using the HTML output serializer (XHTML is not affected). This was demonstrated by a javascript: URL with : as the replacement for the : character.
CVSS vector
CVSS:3.1/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)1.5% · higher than 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AI
Active IQ Unified Manager · Netapp
All versions, or not specified · source: NVD
AN
Antisamy · Antisamy Project
before 1.6.4 · source: NVD
BE
Banking Enterprise Default Management · Oracle
2.6.2; 2.7.0; 2.7.1; 2.10.0; 2.12.0 · source: NVD
BE
Banking Enterprise Default Managment · Oracle
2.3.0 through 2.4.0 · source: NVD
BP
Banking Party Management · Oracle
2.7.0 · source: NVD
BP
Banking Platform · Oracle
2.3.0 through 2.4.1; 2.6.2; 2.7.0; 2.7.1 · source: NVD
IP
Insurance Policy Administration · Oracle
11.0.2; 11.1.0; 11.2.8; 11.3.0; 11.3.1 · source: NVD
MC
Middleware Common Libraries And Tools · Oracle
12.2.1.3.0; 12.2.1.4.0 · source: NVD
RB
Retail Back Office · Oracle
14.0; 14.1 · source: NVD
RC
Retail Central Office · Oracle
14.0; 14.1 · source: NVD
RR
Retail Returns Management · Oracle
14.0; 14.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-35043
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-35043
Patch
https://github.com/nahsra/antisamy/pull/87
Patch
https://github.com/nahsra/antisamy/releases/tag/v1.6.4
Patch
https://www.oracle.com/security-alerts/cpuapr2022.html
Patch
https://www.oracle.com/security-alerts/cpujan2022.html
Patch
https://www.oracle.com/security-alerts/cpujul2022.html
Patch
https://www.oracle.com/security-alerts/cpuoct2021.html
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