CVE-2018-5479: FoxSash ImgHosting 1.5 (according to footer information) is vulnerable to XSS attacks

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MEDIUM 6.1DOWNGRADE

CVE-2018-5479 is a medium-severity flaw (CVSS 6.1) affecting imghosting. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

FoxSash ImgHosting 1.5 (according to footer information) is vulnerable to XSS attacks. The affected function is its search engine via the search parameter to the default URI. Since there is an user/admin login interface, it's possible for attackers to steal sessions of users and thus admin(s). By sending users an infected URL, code will be executed.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	2.1% (top 19%)
CISA exploited list	No
Weakness	CWE-79
Published	2018-01-15
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: foxsash

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

Am I affected?

Timeline

2018-01-15 16:29 UTCPublished CVE record published
2026-06-17 02:00 UTCUpdated Record last modified

foxsash imghosting DOWNGRADE

Affected: 1.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.5

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.5 (Debian / Ubuntu)

apt-cache madison imghosting sudo apt install imghosting=<VERSION_BEFORE_1.5> sudo apt-mark hold imghosting

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

dnf --showduplicates list imghosting sudo dnf downgrade imghosting-<VERSION_BEFORE_1.5> sudo dnf versionlock add imghosting

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: ImgHosting 1.5 - Cross-Site Scripting

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-2018-5479?

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

Is CVE-2018-5479 being exploited?

CVE-2018-5479 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-2018-5479 affect?

CVE-2018-5479 affects imghosting. Severity is medium (CVSS 6.1). FoxSash ImgHosting 1.5 (according to footer information) is vulnerable to XSS attacks. The affected function is its search engine via the search parameter to the default URI. Since there is an user/admin login interface, it's possible for a

How urgent is CVE-2018-5479?

Priority 47/100. Public exploit reference

References

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