CVE-2025-9629: CSRF (CVSS 4.3)

Description

The USS Upyun plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.5.0. This is due to missing or incorrect nonce validation on the uss_setting_page function when processing the uss_set form type. This makes it possible for unauthenticated attackers to modify critical Upyun cloud storage settings including bucket name, operator credentials, upload paths, and image processing parameters via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Is your site exposed to CVE-2025-9629?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Weakness Type (CWE)

CWE-352 Cross-Site Request Forgery

References

Other References

https://plugins.trac.wordpress.org/browser/uss-upyun/tags/1.5.0/upyun-uss-wordpress.php#L493 https://plugins.trac.wordpress.org/browser/uss-upyun/tags/1.5.0/upyun-uss-wordpress.php#L499 https://plugins.trac.wordpress.org/browser/uss-upyun/tags/1.5.1/upyun-uss-wordpress.php#L493 https://www.wordfence.com/threat-intel/vulnerabilities/id/d2cee46a-03d5-4a31-ba15-28be97794199?source=cve

Frequently Asked Questions

What is CVE-2025-9629? +

The USS Upyun plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.5.0. This is due to missing or incorrect nonce validation on the uss_setting_page function when processing the uss_set form type. This makes it possible for unauthenticated attackers to modify critical Upyun cloud storage settings including bucket name, operator credentials, upload paths, and image processing parameters via a forged request granted they can trick a site administrator into performing an action such as clicking on a link. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2025-9629? +

CVE-2025-9629 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2025-9629? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-40325

Masa CMS is a content management system forked from Mura CMS. In versions 7.5.2 and earlier, the `cTrash.restore` function does …

CVE-2026-40174

Masa CMS is a content management system forked from Mura CMS. In versions 7.5.2 and earlier, the cUsers.updateAddress function does …

CVE-2024-6662

Websites managed by MegaBIP in versions below 5.15 are vulnerable to Cross-Site Request Forgery (CSRF) as the form available under …

CVE-2026-42286

Emlog is an open source website building system. Prior to version 2.6.11, missing CSRF protection in critical admin functions allows …

CVE-2026-9591

Cross-site request forgery (CSRF) in NewsItemApiController in SimplCommerce prior to commit 6233d73e allows an unauthenticated remote attacker to create or …

CVE-2024-7141

Versions of Gliffy Online prior to versions 4.14.0-7 contains a Cross Site Request Forgery (CSRF) flaw.

CVE-2025-9629