CVE-2017-18604: The sitebuilder-dynamic-components plugin through 1.0 for WordPress has PHP object injection via an AJAX reque

Q: How do I fix CVE-2017-18604?

sitebuilder dynamic components: upgrade to newer than 1.0. Exact commands for each OS are on this page.

Q: Is CVE-2017-18604 being exploited?

CVE-2017-18604 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-2017-18604 affect?

CVE-2017-18604 affects sitebuilder dynamic components. Severity is high (CVSS 7.5). The sitebuilder-dynamic-components plugin through 1.0 for WordPress has PHP object injection via an AJAX request.

Q: How urgent is CVE-2017-18604?

Priority 55/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2017-18604 is a high-severity flaw (CVSS 7.5) affecting sitebuilder dynamic components. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The sitebuilder-dynamic-components plugin through 1.0 for WordPress has PHP object injection via an AJAX request.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.6% (top 24%)
CISA exploited list	No
Weakness	CWE-74, CWE-502
Published	2019-09-10
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: sitebuilder dynamic components project

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

Am I affected?

Timeline

2019-09-10 12:15 UTCPublished CVE record published
2026-06-17 01:13 UTCUpdated Record last modified

sitebuilder dynamic components project sitebuilder dynamic components UPGRADE

Affected: <= 1.0

Fixed in: newer than 1.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy sitebuilder-dynamic-components || rpm -q sitebuilder-dynamic-components || sitebuilder-dynamic-components --version

2. UPGRADE to newer than 1.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade sitebuilder-dynamic-components

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade sitebuilder-dynamic-components

Note

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

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-2017-18604?

sitebuilder dynamic components: upgrade to newer than 1.0. Exact commands for each OS are on this page.

Is CVE-2017-18604 being exploited?

CVE-2017-18604 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-2017-18604 affect?

CVE-2017-18604 affects sitebuilder dynamic components. Severity is high (CVSS 7.5). The sitebuilder-dynamic-components plugin through 1.0 for WordPress has PHP object injection via an AJAX request.

How urgent is CVE-2017-18604?

Priority 55/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

WordPress vulnerabilities · PHP vulnerabilities

Related CVEs

CVE-2024-49625 CRITICAL 9.8 UPGRADE Deserialization of Untrusted Data vulnerability in sphoid SiteBuilder Dynamic Components sitebuilder-dynamic-c

References

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