CVE-2021-35043: antisamy_project antisamy Cross-site Scripting
CVSS: 6.1v3.1MediumModified
AliasesUBUNTU-CVE-2021-35043DEBIAN-CVE-2021-35043GHSA-9c8w-jrw3-q2c3
Published 19-07-2021Last modified 04-08-2024
Vulnerability summary
CVE-2021-35043 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in antisamy_project antisamy. EPSS estimates a 1.51% chance of exploitation in the next 30 days, higher than 74% of scored vulnerabilities.
CVSS score
6.1/10
010
Medium · v3.1 (NVD)EPSS score
1.51%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 19-07-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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 metrics
5 scores · 4 sources · 2 versionsMedium 6.1Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- OSV · DebianEcosystem advisory · calculated6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- OSV · MavenEcosystem advisory · calculated6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
1.51%
Chance of exploitation in the next 30 days
Percentile
74%
Versus all other CVEs
30-day change
0.00 pp
From 1.51% on 18-09-2026
18-09-202618-10-2026
EPSS score1.51%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Oracle9 products
- banking_enterprise_default_management2.6.2 | 2.7.0 | 2.7.1 | 2.10.0 | 2.12.0
- banking_enterprise_default_managment≥ 2.3.0, ≤ 2.4.0
- banking_party_management2.7.0
- banking_platform≥ 2.3.0, ≤ 2.4.1 | 2.6.2 | 2.7.0 | 2.7.1
- insurance_policy_administration11.0.2 | 11.1.0 | 11.2.8 | 11.3.0 | 11.3.1
Antisamy_project1 product
- antisamy< 1.6.4
Debian1 product
- libowasp-antisamy-javaAll versions (No fix recorded) | < 1.7.4-1
Netapp1 product
Org.owasp.antisamy1 product
- antisamy≥ 1.5.7, < 1.6.4
Ubuntu1 product
- libowasp-antisamy-javaAll versions (No fix recorded)
6 vendors · 14 products
References
11 linksShow all 11 references
- github.com/nahsra/antisamyPACKAGE