CVE-2015-2781: Cross-site scripting (XSS) vulnerability in cgi-bin/hotspotlogin.cgi in Hotspot Express hotEx Billing Manager

This month

MEDIUM 4.3DOWNGRADE

CVE-2015-2781 is a medium-severity flaw (CVSS 4.3) affecting hotex billing manager. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in cgi-bin/hotspotlogin.cgi in Hotspot Express hotEx Billing Manager 73 allows remote attackers to inject arbitrary web script or HTML via the reply parameter.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.9% (top 21%)
CISA exploited list	No
Weakness	CWE-79
Published	2015-04-14
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: hotspot express

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

Am I affected?

Timeline

2015-04-14 14:59 UTCPublished CVE record published
2026-06-17 00:24 UTCUpdated Record last modified

hotspot express hotex billing manager DOWNGRADE

Affected: 73

Fixed in: no fixed release known

Safe to downgrade to: a release before 73

1. Check installed version

apt-cache policy hotex-billing-manager || rpm -q hotex-billing-manager || hotex-billing-manager --version

2. No fixed release: DOWNGRADE to a release before 73 (Debian / Ubuntu)

apt-cache madison hotex-billing-manager sudo apt install hotex-billing-manager=<VERSION_BEFORE_73> sudo apt-mark hold hotex-billing-manager

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

dnf --showduplicates list hotex-billing-manager sudo dnf downgrade hotex-billing-manager-<VERSION_BEFORE_73> sudo dnf versionlock add hotex-billing-manager

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-2015-2781?

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

Is CVE-2015-2781 being exploited?

CVE-2015-2781 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-2015-2781 affect?

CVE-2015-2781 affects hotex billing manager. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in cgi-bin/hotspotlogin.cgi in Hotspot Express hotEx Billing Manager 73 allows remote attackers to inject arbitrary web script or HTML via the reply parameter.

How urgent is CVE-2015-2781?

Priority 40/100. Public exploit reference

Related CVEs

CVE-2015-3319 MEDIUM 5.0 DOWNGRADE Hotspot Express hotEx Billing Manager 73 does not include the HTTPOnly flag in a Set-Cookie header, which make

References

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