High severity · published Feb 19, 2026
CVE-2025-12821
NewsBlogger <= 0.2.5.6 - 0.2.5.9 - Cross-Site Request Forgery to Arbitrary Plugin Installation
8.8
CVSS
0.4%
EPSS
No
On KEV
Description
The NewsBlogger theme for WordPress is vulnerable to Cross-Site Request Forgery in versions 0.2.5.6 to 0.2.5.9. This is due to missing or incorrect nonce validation on the newsblogger_install_and_activate_plugin() function. This makes it possible for unauthenticated attackers to upload arbitrary files and achieve remote code execution via a forged request granted they can trick a site administrator into performing an action such as clicking on a link. This is due to a reverted fix of CVE-2025-1305.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 34% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NE
NewsBlogger · spicethemes
0.2.5.6 through 0.2.5.9 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-12821
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-12821
themes.trac.wordpress.org
https://themes.trac.wordpress.org/browser/newsblogger/0.2.5.8/functions.php#L499
themes.trac.wordpress.org
https://themes.trac.wordpress.org/changeset?old=302341&old_path=%2Fnewsblogger%2F0.2.5.9%2Ffunctions.php&new=304663&new_path=%2Fnewsblogger%2F0.2.6%2Ffunctions.php
www.wordfence.com
https://www.wordfence.com/threat-intel/vulnerabilities/id/9f33096a-dfd5-48c1-84d8-30a0faa2a7f5?source=cve
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