How severe is CVE-2010-4183?

CVE-2010-4183 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2010-4183 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-4183?

CVE-2010-4183 primarily affects Htmlpurifier. In total, 75 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-4183?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2010-4183 published?

CVE-2010-4183 was published on 2010-11-05 and last updated on 2026-06-16.

CVE-2010-4183

CVE-2010-4183 is a medium-severity vulnerability in Htmlpurifier with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Htmlpurifier
Published: 2010-11-05
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2010-4183?: 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.
How severe is CVE-2010-4183?: CVE-2010-4183 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2010-4183 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-4183?: CVE-2010-4183 primarily affects Htmlpurifier. In total, 75 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-4183?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-4183 published?: CVE-2010-4183 was published on 2010-11-05 and last updated on 2026-06-16.

References

Affected products (75)

cpe:2.3:a:htmlpurifier:htmlpurifier:*:*:*:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:1.0.0:beta:*:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:1.1.0:*:*:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:1.1.1:*:*:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:1.1.2:*:*:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:1.2.0:*:*:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:1.3.0:*:*:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:1.3.1:*:*:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:1.3.2:*:*:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:1.4.0:*:strict:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:1.4.1:*:*:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:1.4.1:*:strict:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:1.5.0:*:*:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:1.5.0:*:strict:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:1.6.0:*:*:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:1.6.0:*:strict:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:1.6.1:*:*:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:1.6.1:*:strict:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:2.0.0:*:strict:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:2.0.1:*:strict:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:2.1.0:*:*:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:2.1.0:*:lite:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:2.1.0:*:standalone:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:2.1.0:*:strict:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:2.1.0:*:strict-lite:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:2.1.0:*:strict-standalone:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:2.1.1:*:*:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:2.1.1:*:lite:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:2.1.1:*:standalone:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:2.1.1:*:strict:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:2.1.1:*:strict-lite:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:2.1.1:*:strict-standalone:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:2.1.2:*:*:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:2.1.2:*:lite:*:*:*:*:*
cpe:2.3:a:htmlpurifier:htmlpurifier:2.1.2:*:standalone:*:*:*:*:*

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