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CVE-2017-18576: The event-notifier plugin before 1.2.1 for WordPress has XSS via the loading animation.

36
Routine
MEDIUM 6.1UPGRADE

CVE-2017-18576 is a medium-severity flaw (CVSS 6.1) affecting event notifier. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The event-notifier plugin before 1.2.1 for WordPress has XSS via the loading animation.

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score6.1 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionRequired
EPSS exploit chance0.9% (top 40%)
CISA exploited listNo
WeaknessCWE-79
Published2019-08-22
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: event notifier project

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

Am I affected?

Timeline

event notifier project event notifier UPGRADE
Affected: < 1.2.1
Fixed in: 1.2.1
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy event-notifier || rpm -q event-notifier || event-notifier --version
2. UPGRADE to 1.2.1 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade event-notifier
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade event-notifier
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-2017-18576?

event notifier: upgrade to 1.2.1. Exact commands for each OS are on this page.

Is CVE-2017-18576 being exploited?

CVE-2017-18576 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-2017-18576 affect?

CVE-2017-18576 affects event notifier. Severity is medium (CVSS 6.1). The event-notifier plugin before 1.2.1 for WordPress has XSS via the loading animation.

How urgent is CVE-2017-18576?

Priority 36/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities

References

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