CVE-2022-29577

Cross-site Scripting in OWASP AntiSamy

6.1 MediumPublic exploitFix available

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

1.33%Up 0.4 points since Apr 22, 2022

What each source reports

NVD Score used 6.1

Record: CVE-2022-29577
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

Record: CVE-2022-29577
Updated: 2026-11-02

EUVDEUVD-2022-1842 No score

Record: EUVD-2022-1842
Updated: 2026-11-02

GitHub AdvisoriesGHSA-vp37-2f9p-3vr3 6.1

Cross-site Scripting in OWASP AntiSamy

AntiSamy is a library for performing fast, configurable cleansing of HTML coming from untrusted sources. 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.

Record: GHSA-vp37-2f9p-3vr3
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

OSVGHSA-vp37-2f9p-3vr3 6.1

Cross-site Scripting in OWASP AntiSamy

Record: GHSA-vp37-2f9p-3vr3
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

OSVUBUNTU-CVE-2022-29577 6.1

Record: UBUNTU-CVE-2022-29577
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

OSV No score

Record: CVE-2022-29577
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`org.owasp.antisamy:antisamy` Maven	before 1.6.7	1.6.7
`org.owasp.antisamy:antisamy` Maven	before 1.6.7, plus listed versions 1.4.21.4.31.4.41.4.51.5 Show 20 moreShow less 1.5.11.5.101.5.111.5.121.5.131.5.21.5.31.5.51.5.61.5.71.5.81.5.91.6.01.6.11.6.21.6.31.6.41.6.51.6.61.6.6.1	1.6.7
`libowasp-antisamy-java` Ubuntu:16.04:LTS	All versions, plus listed versions 1.5.3+dfsg-1	None known
`libowasp-antisamy-java` Ubuntu:18.04:LTS	All versions, plus listed versions 1.5.3+dfsg-1	None known
`libowasp-antisamy-java` Ubuntu:20.04:LTS	All versions, plus listed versions 1.5.3+dfsg-1	None known
`libowasp-antisamy-java` Ubuntu:22.04:LTS	All versions, plus listed versions 1.5.3+dfsg-1.1	None known
`libowasp-antisamy-java` Ubuntu:24.04:LTS	All versions, plus listed versions 1.5.3+dfsg-1.11.7.4-1	None known
`libowasp-antisamy-java` Ubuntu:25.10	All versions, plus listed versions 1.7.4-1	None known
`libowasp-antisamy-java` Ubuntu:26.10	All versions, plus listed versions 1.7.4-1	None known
`libowasp-antisamy-java` Ubuntu:26.04:LTS	All versions, plus listed versions 1.7.4-1	None known

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
PoC in GitHub	shoucheng3/nahsra__antisamy_CVE-2022-29577_1-6-6-1	2025-08-17

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2022-29577 is a medium vulnerability (CVSS 6.1) in Antisamy Project Antisamy, published April 21, 2022. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 1.33%, the 71st percentile. Fixed in org.owasp.antisamy:antisamy 1.6.7.