CVE-2016-15027: A vulnerability was found in meta4creations Post Duplicator Plugin 2.18 on WordPress

Routine

LOW 3.5DOWNGRADE

CVE-2016-15027 is a low-severity flaw (CVSS 3.5) affecting post duplicator. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in meta4creations Post Duplicator Plugin 2.18 on WordPress. It has been classified as problematic. Affected is the function mtphr_post_duplicator_notice of the file includes/notices.php. The manipulation of the argument post-duplicated leads to cross site scripting. It is possible to launch the attack remotely. Upgrading to version 2.19 is able to address this issue. The name of the patch is ca67c05e490c0cf93a1e9b2d93bfe

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	3.5 (Low)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.6% (top 50%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-02-20
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: metaphorcreations

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

Am I affected?

Timeline

2023-02-20 17:15 UTCPublished CVE record published
2026-06-17 00:41 UTCUpdated Record last modified

metaphorcreations post duplicator DOWNGRADE

Affected: 2.18

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.18

1. Check installed version

apt-cache policy post-duplicator || rpm -q post-duplicator || post-duplicator --version

2. No fixed release: DOWNGRADE to a release before 2.18 (Debian / Ubuntu)

apt-cache madison post-duplicator sudo apt install post-duplicator=<VERSION_BEFORE_2.18> sudo apt-mark hold post-duplicator

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list post-duplicator sudo dnf downgrade post-duplicator-<VERSION_BEFORE_2.18> sudo dnf versionlock add post-duplicator

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2016-15027?

post duplicator: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2016-15027 being exploited?

CVE-2016-15027 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-2016-15027 affect?

CVE-2016-15027 affects post duplicator. Severity is low (CVSS 3.5). A vulnerability was found in meta4creations Post Duplicator Plugin 2.18 on WordPress. It has been classified as problematic. Affected is the function mtphr_post_duplicator_notice of the file includes/notices.php. The manipulation of the arg

How urgent is CVE-2016-15027?

Priority 25/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities · PHP vulnerabilities

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References

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