CVE-2015-10143: The Platform theme for WordPress is vulnerable to unauthorized modification of data that can lead to privilege

Q: How do I fix CVE-2015-10143?

platform theme: upgrade to 1.4.4. Exact commands for each OS are on this page.

Q: Is CVE-2015-10143 being exploited?

CVE-2015-10143 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2015-10143 affect?

CVE-2015-10143 affects platform theme. Severity is critical (CVSS 9.8). The Platform theme for WordPress is vulnerable to unauthorized modification of data that can lead to privilege escalation due to a missing capability check on the *_ajax_save_options() function in all versions up to 1.4.4 (exclusive). This

Q: How urgent is CVE-2015-10143?

Priority 69/100. Critical severity; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2015-10143 is a critical-severity flaw (CVSS 9.8) affecting platform theme. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Platform theme for WordPress is vulnerable to unauthorized modification of data that can lead to privilege escalation due to a missing capability check on the *_ajax_save_options() function in all versions up to 1.4.4 (exclusive). This makes it possible for unauthenticated attackers to update arbitrary options on the WordPress site. This can be leveraged to update the default role for registration to administrator and enable user registration

Why this priority

Critical severity
Public exploit reference
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	3.1% (top 12%)
CISA exploited list	No
Weakness	CWE-862
Published	2025-07-25
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: pagelines

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-07-25 03:15 UTCPublished CVE record published
2026-06-17 00:21 UTCUpdated Record last modified

pagelines platform theme UPGRADE

Affected: < 1.4.4

Fixed in: 1.4.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy platform-theme || rpm -q platform-theme || platform-theme --version

2. UPGRADE to 1.4.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade platform-theme

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade platform-theme

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Exact fixes by distribution

Fedora 46 · R · FIXED · 4.6.2-1.fc46 · FEDORA-2026-1dd919a262 · source

sudo dnf upgrade --advisory=FEDORA-2026-1dd919a262

Fedora ELN · perl-Mail-AuthenticationResults · FIXED · 2.20261029-1.eln159 · FEDORA-2026-a2c11d7da6 · source

sudo dnf upgrade --advisory=FEDORA-2026-a2c11d7da6

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Metasploit: WordPress Platform Theme File Upload Vulnerability

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2015-10143?

platform theme: upgrade to 1.4.4. Exact commands for each OS are on this page.

Is CVE-2015-10143 being exploited?

CVE-2015-10143 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2015-10143 affect?

CVE-2015-10143 affects platform theme. Severity is critical (CVSS 9.8). The Platform theme for WordPress is vulnerable to unauthorized modification of data that can lead to privilege escalation due to a missing capability check on the *_ajax_save_options() function in all versions up to 1.4.4 (exclusive). This

How urgent is CVE-2015-10143?

Priority 69/100. Critical severity; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

Software pages

WordPress vulnerabilities

References

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