Medium Cross-site scripting exploit reference

CVE-2015-20118 — RealtyScript 4.0.2 Stored Cross-Site Scripting via location_name Parameter

Next Click Ventures RealtyScript 4.0.2 contains a stored cross-site scripting vulnerability in the location_name parameter of the admin locations interface. Attackers can submit POST requests to the locations.php endpoint with JavaScript payloads in the location_name field to execute arbitrary code in administrator browsers.

Published Mar 16, 2026 · Updated Oct 13, 2026 · Sources: NIST National Vulnerability Database, CVE Program (cve.org) e CISA ADP · CNA: VulnCheck

Low

Who exploits it and how urgent it is

A 0–100 score combining confirmed exploitation, ransomware and APT use, public exploits, EPSS and severity.

No exploitation signal in the sources consulted so far.

How the score was calculated

EPSS 0.3% (30-day exploitation probability)+4
Technical severity (medium)+3
CISA SSVC: exploitation "poc"+5
Automatable exploitation (SSVC)+3

The score orders the patch queue; it does not replace your asset context (internet exposure, criticality, compensating controls).

Triage

Is it exploited, how likely is exploitation, what does it touch, and how severe do the sources call it.

Exploitation

Not confirmed

Not in CISA KEV — an absence of record, not proof it is unexploited.

EPSS FIRST

0.33%

ahead of 24% of scored CVEs · Oct 14, 2026

Affects

Next Click Ventures

Realtyscript

CVSS base

6.1

Medium · 3 source(s)

Prioritization reference: 7.2 provisional

CISA SSVC assessment CISA

Three decision points CISA publishes for the CVEs it assesses (SSVC 2.0.3). A stakeholder decision, not a severity score.

Exploitation

Proof of concept

none · proof-of-concept · active

Automatable

Yes

can an attacker script the kill-chain steps

Technical impact

Partial

partial · total control of the vulnerable component

Remediation

Fixes and mitigations documented by the sources — linked to the original advisory.

No fix documented by the sources we poll. That does not mean none exists: check the vendor advisory.

First 24 hours

Ordered from the record’s own fields — exposure first, because you cannot patch what you have not found. A rule-generated starting point.

Identify exposed assets running the affected vendor/product/version combinations (Next Click Ventures Realtyscript).
The attack is network-based and needs no privileges: restrict exposure (ACLs, VPN, WAF) until patched.
No fix documented in the sources: reduce exposure and monitor the vendor advisory.
Exploitation requires user interaction: tighten email/web filtering and warn affected users.
Search available logs for exploit probes matching the vulnerability class (cross-site scripting), errors and authentication anomalies.

Affected scope

Vendor, product and versions as the sources word them.

Vendor	Product	Versions	Status	Source
Next Click Ventures	Realtyscript	version 4.0.2	Vulnerable	NIST National Vulnerability Database
Next Click Ventures	Realtyscript	version 4.0.2	Vulnerable	CVE Program (cve.org) e CISA ADP

Attack characteristics

The CVSS vector, decoded. It describes the attack, not your exposure to it.

Attack vector

Network

Attack complexity

Low

Privileges required

None

User interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Every base score collected

Sources score independently and may disagree; each row says who scored it and under which version.

Score	Version	Severity	Expl.	Impact	Scored by
5.1	CVSS 4.0	Medium	—	—	disclosure@vulncheck.com via NIST National Vulnerability Database
5.1	CVSS 4.0	Medium	—	—	VulnCheck via CVE Program (cve.org) e CISA ADP
7.2	CVSS 3.1	High	3.9	2.7	disclosure@vulncheck.com via NIST National Vulnerability Database
7.2	CVSS 3.1	High	—	—	VulnCheck via CVE Program (cve.org) e CISA ADP
6.1	CVSS 3.1	Medium	2.8	2.7	nvd@nist.gov via NIST National Vulnerability Database

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N (score shown at the top: nvd@nist.gov)

Scoring entities (NIST, CNA, ADP) score independently; each score is shown with its origin. For prioritization we use 7.2 (disclosure@vulncheck.com via NIST National Vulnerability Database) as a conservative provisional reference — not a definitive official score.

Weakness MITRE

Weakness class according to MITRE’s CWE catalog.

CWE-79 · Cross-site Scripting (XSS)

Other CVEs with this weakness →

EPSS over time FIRST

Oct 13, 2026 → Oct 14, 2026 · 2 reading(s) · max 0.33%

Detection

Read off the CVSS vector and the weakness class. Starting points, not tested rules.

Prioritize edge telemetry for the network-reachable component (proxy, WAF, IDS/IPS).
Monitor CSP violation reports and script payloads in reflected parameters.

web/proxy/WAF logsnetwork IDS/IPSapplication logs

Timeline

What happened to this CVE, newest first.

2026
Affected products added · next click ventures/realtyscript
Oct 13, 2026 · CVE Program (cve.org) e CISA ADP
SSVC assessment updated
Oct 13, 2026 · CVE Program (cve.org) e CISA ADP
Record published
Oct 13, 2026
CVSS changed · 6.1
Oct 13, 2026 · NIST National Vulnerability Database
Source status changed · → Analyzed
Oct 13, 2026 · NIST National Vulnerability Database
Record created in this database
Oct 13, 2026 · NIST National Vulnerability Database
CVE published
Mar 16, 2026 · VulnCheck

Source activity

Repeated readings are counted rather than listed.

1× Official description updated · Oct 13, 2026 – Oct 13, 2026

References

3 on the record

www.vulncheck.com/advisories/realtyscript-stored-cross-site-scripting-via-location-name
Third Party Advisory, third-party-advisory, NIST National Vulnerability Database
www.exploit-db.com/exploits/38496
Exploit, Third Party Advisory, VDB Entry, exploit, NIST National Vulnerability Database
www.zeroscience.mk/en/vulnerabilities/ZSL-2015-5269.php
Exploit, Third Party Advisory, third-party-advisory, NIST National Vulnerability Database

Elsewhere on this site

Next Click Ventures
every CVE for this vendor

Cross-site scripting
same class

CWE-79
other pages naming this weakness

Related CVEs (same products)

Critical CVE-2015-20121 RealtyScript 4.0.2 SQL Injection via u_id and agent Parameters Mar 16, 2026
Medium CVE-2015-20116 RealtyScript 4.0.2 Stored Cross-Site Scripting via CSV File Upload Filename Mar 16, 2026
High CVE-2015-20117 RealtyScript 4.0.2 Cross-Site Request Forgery Unauthorized User Creation Mar 16, 2026
Medium CVE-2015-20119 RealtyScript 4.0.2 Stored Cross-Site Scripting via text Parameter in pages.php Mar 16, 2026
Critical CVE-2015-20120 RealtyScript 4.0.2 Multiple Time-based Blind SQL Injection Mar 16, 2026
Medium CVE-2015-20113 RealtyScript 4.0.2 Multiple Cross-Site Request Forgery and Persistent Cross-Site Scripting Vulnerabilities Mar 16, 2026

Not in any source we poll

Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.

No fixed version, patch or mitigation documented.
No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
No exploit packet captures, log samples, or incident case IDs supplied.

Answered from this record

Text assembled only from the fields above — no additional claims.

What should defenders know first?

CVE-2015-20118 is "RealtyScript 4.0.2 Stored Cross-Site Scripting via location_name Parameter", rated Medium. It affects Realtyscript (Next Click Ventures); versions are in the scope table. It is not in CISA KEV, which does not rule out exploitation. CVSS 6.1 describes technical severity. EPSS 0.33% estimates the probability of exploitation in 30 days; neither replaces your asset context. First verify whether exposed or business-critical assets run the affected versions, apply vendor fixes or mitigations, and preserve logs for review.

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