CVE-2018-25080: A vulnerability, which was classified as problematic, has been found in MobileDetect 2.8.31

Routine

LOW 3.5DOWNGRADE

CVE-2018-25080 is a low-severity flaw (CVSS 3.5) affecting mobiledetect. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability, which was classified as problematic, has been found in MobileDetect 2.8.31. This issue affects the function initLayoutType of the file examples/session_example.php of the component Example. The manipulation of the argument $_SERVER['PHP_SELF'] leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.8.32 is able to address this issue.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	3.5 (Low)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	2.7% (top 14%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-02-04
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: mobiledetect

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

Am I affected?

Timeline

2023-02-04 08:15 UTCPublished CVE record published
2026-06-17 01:54 UTCUpdated Record last modified

mobiledetect mobiledetect DOWNGRADE

Affected: 2.8.31

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.8.31

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.8.31 (Debian / Ubuntu)

apt-cache madison mobiledetect sudo apt install mobiledetect=<VERSION_BEFORE_2.8.31> sudo apt-mark hold mobiledetect

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

dnf --showduplicates list mobiledetect sudo dnf downgrade mobiledetect-<VERSION_BEFORE_2.8.31> sudo dnf versionlock add mobiledetect

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.

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: MobileDetect 2.8.31 - Cross-Site Scripting (XSS)

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-2018-25080?

mobiledetect: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-25080 being exploited?

CVE-2018-25080 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-2018-25080 affect?

CVE-2018-25080 affects mobiledetect. Severity is low (CVSS 3.5). A vulnerability, which was classified as problematic, has been found in MobileDetect 2.8.31. This issue affects the function initLayoutType of the file examples/session_example.php of the component Example. The manipulation of the argument

How urgent is CVE-2018-25080?

Priority 39/100. Public exploit reference

Software pages

PHP vulnerabilities

References

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