CVE-2023-49183Network attack vector

Reflected XSS via unescaped code parameter

Published Dec 15, 2023 · Updated Apr 28, 2026

Reflected XSS in NextScripts: Social Networks Auto-Poster 4.4.2 and earlier allows remote attackers to run scripts via the code parameter. The plugin returns the code request parameter in a generated page without sufficient sanitization or output escaping. Execution requires a victim to open an attacker-crafted link, exposing data and actions available to that victim's browser session.

CVSS severity7.1
High
EPSS probability0.41%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in NextScripts: Social Networks Auto-Poster 4.4.2 and earlier allows remote attackers to run scripts via the code parameter. The plugin returns the code request parameter in a generated page without sufficient sanitization or output escaping. Execution requires a victim to open an attacker-crafted link, exposing data and actions available to that victim's browser session.

The record

CVE
CVE-2023-49183
Published
Dec 15, 2023
Updated
Apr 28, 2026
Vendor
NextScripts Corp
Product
NextScripts: Social Networks Auto-Poster
Classifications
CWE-79, CAPEC-591, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 15, 2023CVE publishedPublication date reported by the CVE source.
  2. Apr 28, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=n/a <=4.4.2 changes=[{"at":"4.4.3","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

NextScripts Corp · NextScripts: Social Networks Auto-Posterversion=n/a <=4.4.2 changes=[{"at":"4.4.3","status":"unaffected"}]

Published CVSS scores

7.1PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-591Reflected XSS
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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