CVE-2018-14481: Osclass 3.7.4 has XSS via the query string to index.php, a different vulnerability than CVE-2014-6280.

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MEDIUM 6.1DOWNGRADE

CVE-2018-14481 is a medium-severity flaw (CVSS 6.1) affecting osclass. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Osclass 3.7.4 has XSS via the query string to index.php, a different vulnerability than CVE-2014-6280.

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	1.1% (top 35%)
CISA exploited list	No
Weakness	CWE-79
Published	2019-01-03
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: osclass

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

Am I affected?

Timeline

2019-01-03 19:29 UTCPublished CVE record published
2026-06-17 01:41 UTCUpdated Record last modified

osclass osclass DOWNGRADE

Affected: 3.7.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.7.4

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 3.7.4 (Debian / Ubuntu)

apt-cache madison osclass sudo apt install osclass=<VERSION_BEFORE_3.7.4> sudo apt-mark hold osclass

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

dnf --showduplicates list osclass sudo dnf downgrade osclass-<VERSION_BEFORE_3.7.4> sudo dnf versionlock add osclass

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.

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-2018-14481?

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

Is CVE-2018-14481 being exploited?

CVE-2018-14481 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-2018-14481 affect?

CVE-2018-14481 affects osclass. Severity is medium (CVSS 6.1). Osclass 3.7.4 has XSS via the query string to index.php, a different vulnerability than CVE-2014-6280.

How urgent is CVE-2018-14481?

Priority 43/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2024-27515 HIGH 7.2 DOWNGRADE Osclass 5.1.2 is vulnerable to SQL Injection.
CVE-2016-10751 HIGH 7.2 DOWNGRADE osClass 3.6.1 allows oc-admin/plugins.php Directory Traversal via the plugin parameter

References

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