7.5

CVE-2022-28366: antisamy_project antisamy

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2022-28366DEBIAN-CVE-2022-28366GHSA-g9hh-vvx3-v37v
Published 21-04-2022Last modified 03-08-2024

Vulnerability summary

CVE-2022-28366 is a high (CVSS 7.5) vulnerability in antisamy_project antisamy. EPSS estimates a 2.17% chance of exploitation in the next 30 days, higher than 81.9% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
2.17%
0%100%
Low · +0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 0 · Duplicates 1

Timeline

  1. 21-04-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

Certain Neko-related HTML parsers allow a denial of service via crafted Processing Instruction (PI) input that causes excessive heap memory consumption. In particular, this issue exists in HtmlUnit-Neko through 2.26, and is fixed in 2.27. This issue also exists in CyberNeko HTML through 1.9.22 (also affecting OWASP AntiSamy before 1.6.6), but 1.9.22 is the last version of CyberNeko HTML. NOTE: this may be related to CVE-2022-24839.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

2.17%

Chance of exploitation in the next 30 days

Percentile

82%

Versus all other CVEs

30-day change

+0.04 pp

From 2.13% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.17%

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

No weakness data has been published for this record.

Affected systems

Antisamy_project1 product
Cyberneko_html_project1 product
Debian1 product
  • libowasp-antisamy-javaAll versions (No fix recorded) | < 1.7.4-1
Htmlunit1 product
Net.sourceforge.htmlunit1 product
  • neko-htmlunit< 2.27
Ubuntu1 product
  • libowasp-antisamy-javaAll versions (No fix recorded)

6 vendors · 6 products

References

10 links