CVE-2015-5483

Name: CVE-2015-5483
Creator: NVD / NIST
Published: 2020-01-28T20:15:12.027+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.58%

Last modified Jun 17, 2026

CVE-2015-5483 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Multiple cross-site request forgery (CSRF) vulnerabilities in the Private Only plugin 3.5.1 for WordPress allow remote attackers to hijack the authentication of administrators for requests that (1) add users, (2) delete posts, or (3) modify PHP files via unspecified vectors, or (4) conduct cross-site scripting (XSS) attacks via the po_logo parameter in the privateonly.php page to wp-admin/options-general.php.. EPSS estimates a 1.58% chance of exploitation in the next 30 days.

Description

Multiple cross-site request forgery (CSRF) vulnerabilities in the Private Only plugin 3.5.1 for WordPress allow remote attackers to hijack the authentication of administrators for requests that (1) add users, (2) delete posts, or (3) modify PHP files via unspecified vectors, or (4) conduct cross-site scripting (XSS) attacks via the po_logo parameter in the privateonly.php page to wp-admin/options-general.php.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

1.58%

72.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-352

Affected Software

Vendor	Product	Versions
Private Only Project	Private Only	3.5.1

References

http://packetstormsecurity.com/files/133349/WordPress-Private-Only-3.5.1-CSRF-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2015/Aug/77Exploit, Mailing List, Third Party Advisory
https://security.dxw.com/advisories/csrfxss-vulnerability-in-private-only-could-allow-an-attacker-to-do-almost-anything-an-admin-user-can/Exploit, Third Party Advisory
http://packetstormsecurity.com/files/133349/WordPress-Private-Only-3.5.1-CSRF-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2015/Aug/77Exploit, Mailing List, Third Party Advisory
https://security.dxw.com/advisories/csrfxss-vulnerability-in-private-only-could-allow-an-attacker-to-do-almost-anything-an-admin-user-can/Exploit, Third Party Advisory

Timeline

Published: Jan 28, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-5483?

How severe is CVE-2015-5483?

CVE-2015-5483 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.58% probability of exploitation in the next 30 days.

How do I fix CVE-2015-5483?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-5483?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST