HTML Purifier 4.2.0 allows remote attackers to obtain sensitive information via a direct request to a .php file, which reveals the installation path in an error message, as demonstrated by tests/PHPT/Reporter/SimpleTest.php and certain other files.
Vendor
htmlpurifier vulnerabilities
4 published CVES affecting htmlpurifier, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 4
- Critical
- 0
- High
- 0
- Medium
- 4
- Low
- 0
- Unscored
- 0
- CISA KEV
- 0
Products
Latest htmlpurifier CVEs
Newest publication first
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MediumCVSS 5.0 EPSS 1.4%
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MediumCVSS 4.3 EPSS 0.90% PoC
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) pro...
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MediumCVSS 4.3 EPSS 2.0% PoC
Cross-site scripting (XSS) vulnerability in HTML Purifier before 4.1.1, as used in Mahara and other products, when the browser is Internet Explorer, allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
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MediumCVSS 4.3 EPSS 1.0%
Cross-site scripting (XSS) vulnerability in smoketests/configForm.php in HTML Purifier before 2.0.1 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors related to "unescaped print_r output."
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.