CVE-2011-3744 json
HTML Purifier allows remote attackers to obtain sensitive information
published 2011-09-23 15 y ago modified 2026-06-16 4 mo ago also GHSA-jw86-5cjf-mv79 , EUVD-2022-4441
- cvss
- 5.3
- version 3.1, GitHub
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 72%
- public exploits
- 0
- none known
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.
Exploit prediction
1.37% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- code.google.com http://code.google.com/p/inspathx/source/browse/trunk/paths_vuln/htmlpurifier-4.2.0 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
| GitHub | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | ezyang/htmlpurifier | <=4.2.0 |
no fix listed |
Classification
- Weakness
-
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
-
code.google.com
/p/inspathx/source/browse/trunk/paths_vuln/htmlpurifier-4.2.0
web, exploit
-
openwall.com
/lists/oss-security/2011/06/27/6
mailing-list, web
-
code.google.com
/p/inspathx/source/browse/trunk/paths_vuln/%21_README
web
-
nvd.nist.gov
/vuln/detail/CVE-2011-3744
advisory
-
github.com
/ezyang/htmlpurifier
package
Sources
- CVE List CVE-2011-3744
- GitHub Advisory GHSA-jw86-5cjf-mv79
- NVD CVE-2011-3744
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.