CVE-2023-23828Network attack vector

Stored script execution via shortcode injection

Published Aug 10, 2023 · Updated Apr 28, 2026

Stored XSS in Swashata Ghosh WP Category Post List Widget 2.0.3 and earlier allows remote authenticated users to execute scripts via a shortcode. Published records identify the shortcode as the injection locus but do not disclose the affected attribute, storage path, or missing encoding operation. Contributor-level access is required to save the payload, and a later visitor must render the affected post for script execution in that visitor’s browser.

CVSS severity6.5
Medium
EPSS probability0.37%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in Swashata Ghosh WP Category Post List Widget 2.0.3 and earlier allows remote authenticated users to execute scripts via a shortcode. Published records identify the shortcode as the injection locus but do not disclose the affected attribute, storage path, or missing encoding operation. Contributor-level access is required to save the payload, and a later visitor must render the affected post for script execution in that visitor’s browser.

The record

CVE
CVE-2023-23828
Published
Aug 10, 2023
Updated
Apr 28, 2026
Vendor
Swashata Ghosh
Product
WP Category Post List Widget
Classifications
CWE-79, CAPEC-592, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 10, 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

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=n/a <=2.0.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Swashata Ghosh · WP Category Post List Widgetversion=n/a <=2.0.3

Published CVSS scores

6.5PatchstackCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
5.4NVDCVSS:3.1/AV:N/AC:L/PR:L/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-592Stored 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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