CVE-2018-14527: Feedback.asp in Xiao5uCompany 1.7 has XSS because the XSS protection mechanism in Safe.asp is insufficient (fo

Routine

MEDIUM 6.1DOWNGRADE

CVE-2018-14527 is a medium-severity flaw (CVSS 6.1) affecting xiao5ucompany. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Feedback.asp in Xiao5uCompany 1.7 has XSS because the XSS protection mechanism in Safe.asp is insufficient (for example, it considers SCRIPT and IMG elements, but does not consider VIDEO elements).

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	0.7% (top 48%)
CISA exploited list	No
Weakness	CWE-79
Published	2018-07-23
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: xiao5ucompany project

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

Am I affected?

Timeline

2018-07-23 08:29 UTCPublished CVE record published
2026-06-17 01:41 UTCUpdated Record last modified

xiao5ucompany project xiao5ucompany DOWNGRADE

Affected: 1.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.7

1. Check installed version

apt-cache policy xiao5ucompany || rpm -q xiao5ucompany || xiao5ucompany --version

2. No fixed release: DOWNGRADE to a release before 1.7 (Debian / Ubuntu)

apt-cache madison xiao5ucompany sudo apt install xiao5ucompany=<VERSION_BEFORE_1.7> sudo apt-mark hold xiao5ucompany

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

dnf --showduplicates list xiao5ucompany sudo dnf downgrade xiao5ucompany-<VERSION_BEFORE_1.7> sudo dnf versionlock add xiao5ucompany

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-2018-14527?

xiao5ucompany: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-14527 being exploited?

CVE-2018-14527 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-2018-14527 affect?

CVE-2018-14527 affects xiao5ucompany. Severity is medium (CVSS 6.1). Feedback.asp in Xiao5uCompany 1.7 has XSS because the XSS protection mechanism in Safe.asp is insufficient (for example, it considers SCRIPT and IMG elements, but does not consider VIDEO elements).

How urgent is CVE-2018-14527?

Priority 39/100. Public exploit reference

Related CVEs

CVE-2018-14960 HIGH 8.8 DOWNGRADE Xiao5uCompany 1.7 has CSRF via admin/Admin.asp.

References

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