CVE-2015-20116: Next Click Ventures RealtyScript 4.0.2 fails to properly sanitize CSV file uploads, allowing attackers to inje

Routine

MEDIUM 6.1DOWNGRADE

CVE-2015-20116 is a medium-severity flaw (CVSS 6.1) affecting realtyscript. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Next Click Ventures RealtyScript 4.0.2 fails to properly sanitize CSV file uploads, allowing attackers to inject malicious scripts through filename parameters in multipart form data. Attackers can upload files with XSS payloads in the filename field to execute arbitrary JavaScript in users' browsers when the file is processed or displayed.

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	0.2% (top 84%)
CISA exploited list	No
Weakness	CWE-79
Published	2026-03-16
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: nextclickventures

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

Am I affected?

Timeline

2026-03-16 14:17 UTCPublished CVE record published
2026-06-17 00:23 UTCUpdated Record last modified

nextclickventures realtyscript DOWNGRADE

Affected: 4.0.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.0.2

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 4.0.2 (Debian / Ubuntu)

apt-cache madison realtyscript sudo apt install realtyscript=<VERSION_BEFORE_4.0.2> sudo apt-mark hold realtyscript

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

dnf --showduplicates list realtyscript sudo dnf downgrade realtyscript-<VERSION_BEFORE_4.0.2> sudo dnf versionlock add realtyscript

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-2015-20116?

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

Is CVE-2015-20116 being exploited?

CVE-2015-20116 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-2015-20116 affect?

CVE-2015-20116 affects realtyscript. Severity is medium (CVSS 6.1). Next Click Ventures RealtyScript 4.0.2 fails to properly sanitize CSV file uploads, allowing attackers to inject malicious scripts through filename parameters in multipart form data. Attackers can upload files with XSS payloads in the filen

How urgent is CVE-2015-20116?

Priority 30/100. Public exploit reference

Related CVEs

CVE-2015-20121 HIGH 8.2 DOWNGRADE Next Click Ventures RealtyScript 4.0.2 contains SQL injection vulnerabilities that allow unauthenticated attac
CVE-2015-20120 HIGH 8.2 DOWNGRADE Next Click Ventures RealtyScript 4.0.2 contains multiple time-based blind SQL injection vulnerabilities that a
CVE-2015-20119 MEDIUM 6.4 DOWNGRADE Next Click Ventures RealtyScript 4.0.2 contains a stored cross-site scripting vulnerability that allows authen
CVE-2015-20118 HIGH 7.2 DOWNGRADE Next Click Ventures RealtyScript 4.0.2 contains a stored cross-site scripting vulnerability in the location_na
CVE-2015-20117 MEDIUM 5.3 DOWNGRADE Next Click Ventures RealtyScript 4.0.2 contains a cross-site request forgery vulnerability that allows unauthe

References

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