CVE-2022-4649Public exploitNetwork attack vector

Contributor-level stored XSS via unescaped CSS class

Published Jan 30, 2023 · Updated Mar 28, 2025

Stored XSS in Sumit Singh WP Extended Search before 2.1.2 allows remote authenticated users to execute script through a shortcode. The wpes_search_form shortcode inserts the search_form_css_class attribute into search-form markup without validation or output escaping. Contributor access is sufficient to store the payload in a post, and script execution requires a user to view the affected content.

CVSS severity5.4
Medium
EPSS probability0.48%
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 Sumit Singh WP Extended Search before 2.1.2 allows remote authenticated users to execute script through a shortcode. The wpes_search_form shortcode inserts the search_form_css_class attribute into search-form markup without validation or output escaping. Contributor access is sufficient to store the payload in a post, and script execution requires a user to view the affected content.

The record

CVE
CVE-2022-4649
Published
Jan 30, 2023
Updated
Mar 28, 2025
Vendor
Sumit Singh
Product
WP Extended Search
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 30, 2023CVE publishedPublication date reported by the CVE source.
  2. Mar 28, 2025Record 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=0 <2.1.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Sumit Singh · WP Extended Searchversion=0 <2.1.2

Published CVSS scores

5.4CISA-ADPCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
5.4NIST NVDCVSS: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 exploitPublished

Weakness, pattern, technique

CWE-79Cross-Site Scripting (XSS)
T1059.007JavaScript/JScript

Public exploit references

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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