6.1

CVE-2022-29577: antisamy_project antisamy Cross-site Scripting

CVSS: 6.1v3.1MediumModified
AliasesUBUNTU-CVE-2022-29577GHSA-vp37-2f9p-3vr3
Published 21-04-2022Last modified 08-10-2026
Open JSON

Vulnerability summary

CVE-2022-29577 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in antisamy_project antisamy. EPSS estimates a 1.33% chance of exploitation in the next 30 days, higher than 70.6% of scored vulnerabilities.

Overall risk
25/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.1 (NVD)
EPSS score
1.33%
0%100%
Low · -0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 21-04-2022
    PublishedVulnerability first disclosed.
  2. 08-10-2026
    Last modifiedVulnerability information updated.

Description

OWASP AntiSamy before 1.6.7 allows XSS via HTML tag smuggling on STYLE content with crafted input. The output serializer does not properly encode the supposed Cascading Style Sheets (CSS) content. NOTE: this issue exists because of an incomplete fix for CVE-2022-28367.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.33%

Chance of exploitation in the next 30 days

Percentile

71%

Versus all other CVEs

30-day change

-0.01 pp

From 1.33% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.33%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Oracle2 products
Antisamy_project1 product
Org.owasp.antisamy1 product
  • antisamy< 1.6.7
Ubuntu1 product
  • libowasp-antisamy-javaAll versions (No fix recorded)

4 vendors · 5 products

References

7 links