CVE-2024-13877: The Passbeemedia Web Push Notification WordPress plugin through 1.0.0 does not sanitise and escape a parameter

Routine

HIGH 7.1DOWNGRADE

CVE-2024-13877 is a high-severity flaw (CVSS 7.1) affecting passbeemedia web push notification. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Passbeemedia Web Push Notification WordPress plugin through 1.0.0 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.1 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 80%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-03-20
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: sjehutch

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

Am I affected?

Timeline

2025-03-20 06:15 UTCPublished CVE record published
2026-06-17 07:02 UTCUpdated Record last modified

sjehutch passbeemedia web push notification DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy passbeemedia-web-push-notification || rpm -q passbeemedia-web-push-notification || passbeemedia-web-push-notification --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison passbeemedia-web-push-notification sudo apt install passbeemedia-web-push-notification=<VERSION_BEFORE_1.0> sudo apt-mark hold passbeemedia-web-push-notification

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

dnf --showduplicates list passbeemedia-web-push-notification sudo dnf downgrade passbeemedia-web-push-notification-<VERSION_BEFORE_1.0> sudo dnf versionlock add passbeemedia-web-push-notification

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-2024-13877?

passbeemedia web push notification: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-13877 being exploited?

CVE-2024-13877 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-2024-13877 affect?

CVE-2024-13877 affects passbeemedia web push notification. Severity is high (CVSS 7.1). The Passbeemedia Web Push Notification WordPress plugin through 1.0.0 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege use

How urgent is CVE-2024-13877?

Priority 35/100. High severity; Public exploit reference

Software pages

WordPress vulnerabilities

References

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