What is CVE-2022-28367?

CVE-2022-28367 is a medium-severity vulnerability in Antisamy Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-04-21.

How severe is CVE-2022-28367?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2022-28367 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Antisamy Project

CVE-2022-28367

OWASP AntiSamy before 1.6.6 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.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-04-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.010 (61.7th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 61.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: +0.000

Affected products

Antisamy Project

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

shoucheng3/nahsra__antisamy_CVE-2022-28367_1-6-5

References

github.com/nahsra/antisamy/releases/tag/v1.6.6 (Patch, Third Party Advisory, Release Notes)
github.com/nahsra/antisamy/commit/0199e7e194dba5e7d7197703f43ebe22401e61ae (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-28367?: CVE-2022-28367 is a medium-severity vulnerability in Antisamy Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-04-21.
How severe is CVE-2022-28367?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2022-28367 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.