CVE-2018-19456: The WP Backup+ (aka WPbackupplus) plugin through 2018-11-22 for WordPress allows remote attackers to obtain se

Q: How do I fix CVE-2018-19456?

wpbackupplus: upgrade to newer than 2018-11-22; leap: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2018-19456 being exploited?

CVE-2018-19456 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-2018-19456 affect?

CVE-2018-19456 affects wpbackupplus, leap. Severity is high (CVSS 7.5). The WP Backup+ (aka WPbackupplus) plugin through 2018-11-22 for WordPress allows remote attackers to obtain sensitive information from server folders and files, as demonstrated by download.sql.

Q: How urgent is CVE-2018-19456?

Priority 52/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.5REMOTEUPGRADEMITIGATE

CVE-2018-19456 is a high-severity flaw (CVSS 7.5) affecting wpbackupplus, leap. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The WP Backup+ (aka WPbackupplus) plugin through 2018-11-22 for WordPress allows remote attackers to obtain sensitive information from server folders and files, as demonstrated by download.sql.

Why this priority

High severity
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	2.1% (top 19%)
CISA exploited list	No
Weakness	CWE-200
Published	2019-05-07
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: opensuse · wplaunchpad

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

Am I affected?

Timeline

2019-05-07 19:29 UTCPublished CVE record published
2026-06-17 01:49 UTCUpdated Record last modified

wplaunchpad wpbackupplus UPGRADE

Affected: <= 2018-11-22

Fixed in: newer than 2018-11-22

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2018-11-22 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade wpbackupplus

Note

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

opensuse leap MITIGATE

Affected: 42.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 42.3

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

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-2018-19456?

wpbackupplus: upgrade to newer than 2018-11-22; leap: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-19456 being exploited?

CVE-2018-19456 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-2018-19456 affect?

CVE-2018-19456 affects wpbackupplus, leap. Severity is high (CVSS 7.5). The WP Backup+ (aka WPbackupplus) plugin through 2018-11-22 for WordPress allows remote attackers to obtain sensitive information from server folders and files, as demonstrated by download.sql.

How urgent is CVE-2018-19456?

Priority 52/100. High severity; Remotely exploitable, no login, no user action

Software pages

WordPress vulnerabilities

References

← Back to latest CVEs