CVE-2015-9423: The PlugNedit Adaptive Editor plugin before 6.2.0 for WordPress has XSS via wp-admin/admin-ajax.php?action=sim

Q: How do I fix CVE-2015-9423?

plugnedit: upgrade to 6.2.0. Exact commands for each OS are on this page.

Q: Is CVE-2015-9423 being exploited?

CVE-2015-9423 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-2015-9423 affect?

CVE-2015-9423 affects plugnedit. Severity is medium (CVSS 5.4). The PlugNedit Adaptive Editor plugin before 6.2.0 for WordPress has XSS via wp-admin/admin-ajax.php?action=simple_fields_field_type_post_dialog_load PlugneditBGColor, PlugneditEditorMargin, plugnedit_width, pnemedcount, or plugneditcontent

Q: How urgent is CVE-2015-9423?

Priority 40/100. Public exploit reference

This month

MEDIUM 5.4UPGRADE

CVE-2015-9423 is a medium-severity flaw (CVSS 5.4) affecting plugnedit. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The PlugNedit Adaptive Editor plugin before 6.2.0 for WordPress has XSS via wp-admin/admin-ajax.php?action=simple_fields_field_type_post_dialog_load PlugneditBGColor, PlugneditEditorMargin, plugnedit_width, pnemedcount, or plugneditcontent parameters.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	1.0% (top 36%)
CISA exploited list	No
Weakness	CWE-79
Published	2019-09-26
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: simplysymphony

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

Am I affected?

Timeline

2019-09-26 01:15 UTCPublished CVE record published
2026-06-17 00:36 UTCUpdated Record last modified

simplysymphony plugnedit UPGRADE

Affected: < 6.2.0

Fixed in: 6.2.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy plugnedit || rpm -q plugnedit || plugnedit --version

2. UPGRADE to 6.2.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade plugnedit

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade plugnedit

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-2015-9423?

plugnedit: upgrade to 6.2.0. Exact commands for each OS are on this page.

Is CVE-2015-9423 being exploited?

CVE-2015-9423 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-2015-9423 affect?

CVE-2015-9423 affects plugnedit. Severity is medium (CVSS 5.4). The PlugNedit Adaptive Editor plugin before 6.2.0 for WordPress has XSS via wp-admin/admin-ajax.php?action=simple_fields_field_type_post_dialog_load PlugneditBGColor, PlugneditEditorMargin, plugnedit_width, pnemedcount, or plugneditcontent

How urgent is CVE-2015-9423?

Priority 40/100. Public exploit reference

Software pages

WordPress vulnerabilities · PHP vulnerabilities

Related CVEs

CVE-2015-9422 MEDIUM 6.5 UPGRADE The PlugNedit Adaptive Editor plugin before 6.2.0 for WordPress has CSRF with resultant XSS via wp-admin/admin

References

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