Incomplete blacklist vulnerability in the FileUploadsFilter class in protected/components/filters/FileUploadsFilter.php in X2Engine X2CRM b…

published 2015-09-29 11 y ago modified 2026-06-17 4 mo ago also EUVD-2015-5090

cvss: 7.5; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 7.5%; EPSS 7.5% chance of exploitation in 30 days, percentile 94%
public exploits: 1; Exploit-DB

Incomplete blacklist vulnerability in the FileUploadsFilter class in protected/components/filters/FileUploadsFilter.php in X2Engine X2CRM before 5.0.9 allows remote authenticated users to execute arbitrary PHP code by uploading a file with a .pht extension.

Timeline

2015-09-25 First public exploit (EDB-38323)
2015-09-29 Published

Exploit prediction

7.51% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

EDB-38323 X2Engine 4.2 - Arbitrary File Upload webapps, 2015-09-25
github.com https://github.com/X2Engine/X2CRM/commit/10b72bfe7a1b9694f19a0adef72d85a754d4d3f8#diff-26a90fcab2707d6ef509fccb3588790f referenced PoC, tagged "exploit" by a source, unverified
portcullis-security.com https://www.portcullis-security.com/security-research-and-downloads/security-advisories/cve-2015-5074/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

CWE-20 Improper Input Validation

References

Sources

CVE List CVE-2015-5074
NVD CVE-2015-5074

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.

Summary