HTML Purifier 4.2.0 allows remote attackers to obtain sensitive information via a direct…
Priority LOW 26CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Partial · None · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-200.
Summary
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.
Why it matters now
EPSS 0.01372 72nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | ezyang/htmlpurifier (Packagist) | up to 4.2.0 | — | No fix listed | GHSA-jw86-5cjf-mv79 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- ezyang/htmlpurifier (Packagist) Vendor— Affected up to 4.2.0 Fixed in — No fix listed GHSA-jw86-5cjf-mv79
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:htmlpurifier:html_purifier:4.2.0:*:*:*:*:*:*:* | 4.2.0 | Vulnerable | Htmlpurifier |
- cpe:2.3:a:htmlpurifier:html_purifier:4.2.0:*:*:*:*:*:*:* Versions 4.2.0 Vulnerable ·Htmlpurifier
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2011-3744
- 2026-10-03 Alias added: GHSA-jw86-5cjf-mv79
References
Sources
- CVE-2011-3744 · CVE Program
- CVE-2011-3744 · NVD
- FIRST EPSS
- GHSA-jw86-5cjf-mv79 · GitHub Advisory Database · CC BY 4.0
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