Aggregates CVE and security vulnerability intelligence across all htmlpurifier-related products, including CVSS, EPSS, publication dates, and vulnerability intelligence data.
Historical issues mainly involve vendor risk cross-site scripting and vendor risk path handling and related problems; some flaws may lead to vendor impact session compromise and vendor impact file overwrite.
| CVE | Summary | Source | Max CVSS | EPSS % | Published | Updated |
|---|---|---|---|---|---|---|
| CVE-2011-3744 | 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. | [email protected] | 5.0 | 1.37% | 2011-09-23 | 2026-06-16 |
| 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. | [email protected] | 4.3 | 0.90% | 2010-11-05 | 2026-06-16 |
| CVE-2010-2479 | 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. | [email protected] | 4.3 | 2.01% | 2010-07-06 | 2026-06-16 |
| CVE-2007-3498 | 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." | [email protected] | 4.3 | 1.03% | 2007-06-29 | 2026-06-16 |