CVE-2018-9118: exports/download.php in the 99 Robots WP Background Takeover Advertisements plugin before 4.1.5 for WordPress

Q: How do I fix CVE-2018-9118?

wp background takeover advertisements: upgrade to 4.1.5. Exact commands for each OS are on this page.

Q: Is CVE-2018-9118 being exploited?

CVE-2018-9118 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-2018-9118 affect?

CVE-2018-9118 affects wp background takeover advertisements. Severity is high (CVSS 7.5). exports/download.php in the 99 Robots WP Background Takeover Advertisements plugin before 4.1.5 for WordPress has Directory Traversal via a .. in the filename parameter.

Q: How urgent is CVE-2018-9118?

Priority 61/100. High severity; EPSS top 1%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2018-9118 is a high-severity flaw (CVSS 7.5) affecting wp background takeover advertisements. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

exports/download.php in the 99 Robots WP Background Takeover Advertisements plugin before 4.1.5 for WordPress has Directory Traversal via a .. in the filename parameter.

Why this priority

High severity
EPSS top 1%: very likely to be exploited
Public exploit reference
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	46.3% (top 1%)
CISA exploited list	No
Weakness	CWE-22
Published	2018-04-12
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: 99robots

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

Am I affected?

Timeline

2018-04-12 15:29 UTCPublished CVE record published
2026-06-17 02:06 UTCUpdated Record last modified

99robots wp background takeover advertisements UPGRADE

Affected: < 4.1.5

Fixed in: 4.1.5

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy wp-background-takeover-advertisements || rpm -q wp-background-takeover-advertisements || wp-background-takeover-advertisements --version

2. UPGRADE to 4.1.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade wp-background-takeover-advertisements

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade wp-background-takeover-advertisements

Note

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

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: WordPress Plugin Background Takeover < 4.1.4 - Directory Traversal
Nuclei scan template: WordPress 99 Robots WP Background Takeover Advertisements <=4.1.4 - Local File Inclusion

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-2018-9118?

wp background takeover advertisements: upgrade to 4.1.5. Exact commands for each OS are on this page.

Is CVE-2018-9118 being exploited?

CVE-2018-9118 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-2018-9118 affect?

CVE-2018-9118 affects wp background takeover advertisements. Severity is high (CVSS 7.5). exports/download.php in the 99 Robots WP Background Takeover Advertisements plugin before 4.1.5 for WordPress has Directory Traversal via a .. in the filename parameter.

How urgent is CVE-2018-9118?

Priority 61/100. High severity; EPSS top 1%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

WordPress vulnerabilities · PHP vulnerabilities

References

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