Auth bypass in Spicethemes Newscrunch

CVE-2025-1307

The Newscrunch theme for WordPress is vulnerable to arbitrary file uploads due to a missing capability check in the newscrunch_install_and_activate_plugin() function in all versions up to, and including, 1.8.4.1. This makes it possible for authenticated attackers, with Subscriber-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.

Vulnerability class: Broken Access Control

EPSS: 0.020 (78.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-1307?
CVE-2025-1307 is a critical-severity vulnerability in Spicethemes Newscrunch, classified under Missing Authorization. CVSS score: 9.8/10. Published 2025-03-04.
How severe is CVE-2025-1307?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2025-1307 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.