Halo Blog CMS v1.4.17 was discovered to allow attackers to upload arbitrary files via the Attachment Upload function.

published 2022-04-05 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-31173

cvss: 7.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.9%; EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits: 0; none known

Exploit prediction

0.88% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/halo-dev/halo/issues/1702 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:N/I:P/A:N

Classification

Weakness

CWE-434 Unrestricted Upload of File with Dangerous Type

References

github.com /halo-dev/halo/issues/1702
exploit, issue-tracking, third-party-advisory

Sources

CVE List CVE-2022-26619
NVD CVE-2022-26619

Fencer Vulns 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