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Fencer Intel
medium 4.3

CVE-2010-4183 json

HTML Purifier cross-site scripting (XSS) vulnerability

published 2010-11-05 16 y ago modified 2026-06-16 4 mo ago also GHSA-3p68-m5qw-9g9w , EUVD-2022-2218

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits
0
none known

Summary

Multiple cross-site scripting (XSS) vulnerabilities in HTML Purifier before 4.1.0, when Internet Explorer is used, allow remote attackers to inject arbitrary web script or HTML via a crafted (1) background-image, (2) background, or (3) font-family Cascading Style Sheets (CSS) property, a different vulnerability than CVE-2010-2479.

Patch / fix

  • packagist ezyang/htmlpurifier 4.1.0
  • php-htmlpurifier Debian 14, Debian 12 4.1.1+dfsg1-1

debian advisories DEBIAN-CVE-2010-4183

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2010-4183 updated cvss 4.3

htmlpurifier: multiple XSS vulns in HTMLPurifier before 4.1.0

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.90% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected packages

ecosystem package affected fixed in
packagist ezyang/htmlpurifier
<4.1.0
4.1.0

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.