WordPress Newspack Blocks plugin <= 3.0.8 - Arbitrary File Upload vulnerability

published 2024-07-09 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-36654

cvss: 9.9; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 47%
public exploits: 0; none known

Unrestricted Upload of File with Dangerous Type vulnerability in Automattic Newspack Blocks allows Upload a Web Shell to a Web Server.This issue affects Newspack Blocks: from n/a through 3.0.8.

Patch / fix

fixed in 1

Automattic Newspack Blocks 3.0.9

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 2 y ago (2024-07-09)

Exploit prediction

0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.9	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected products

Automattic Newspack Blocks
automattic newspack_newsletters

Classification

Weakness

CWE-434 Unrestricted Upload of File with Dangerous Type

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/vulnerability/newspack-blocks/wordpress-newspack-blocks-plugin-3-0-8-arbitrary-file-upload-vulnerabi
vdb-entry

Sources

CVE List CVE-2024-37424
NVD CVE-2024-37424

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