CVE-2017-18488: The Backup Guard plugin before 1.1.47 for WordPress has multiple XSS issues.

Q: How do I fix CVE-2017-18488?

backup guard: upgrade to 1.1.47. Exact commands for each OS are on this page.

Q: Is CVE-2017-18488 being exploited?

CVE-2017-18488 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-2017-18488 affect?

CVE-2017-18488 affects backup guard. Severity is medium (CVSS 6.1). The Backup Guard plugin before 1.1.47 for WordPress has multiple XSS issues.

Q: How urgent is CVE-2017-18488?

Priority 36/100. No elevated risk signals yet.

Routine

MEDIUM 6.1UPGRADE

CVE-2017-18488 is a medium-severity flaw (CVSS 6.1) affecting backup guard. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Backup Guard plugin before 1.1.47 for WordPress has multiple XSS issues.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.9% (top 40%)
CISA exploited list	No
Weakness	CWE-79
Published	2019-08-13
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: backup-guard

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

Am I affected?

Timeline

2019-08-13 18:15 UTCPublished CVE record published
2026-06-17 01:12 UTCUpdated Record last modified

backup-guard backup guard UPGRADE

Affected: < 1.1.47

Fixed in: 1.1.47

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy backup-guard || rpm -q backup-guard || backup-guard --version

2. UPGRADE to 1.1.47 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade backup-guard

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade backup-guard

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-2017-18488?

backup guard: upgrade to 1.1.47. Exact commands for each OS are on this page.

Is CVE-2017-18488 being exploited?

CVE-2017-18488 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-2017-18488 affect?

CVE-2017-18488 affects backup guard. Severity is medium (CVSS 6.1). The Backup Guard plugin before 1.1.47 for WordPress has multiple XSS issues.

How urgent is CVE-2017-18488?

Priority 36/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities

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References

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