CVE-2022-4451Public exploitNetwork attack vector

Contributor-level stored XSS via unescaped shortcode attributes

Published Jan 16, 2023 · Updated Apr 4, 2025

Stored XSS in Heateor Support Sassy Social Share before 3.3.45 allows remote authenticated users to execute script via shortcode attributes. The Sassy_Follow_Icons shortcode places its width attribute into rendered icon markup without validation or output escaping. Contributor access is sufficient to store the payload in a post or page; script executes in a viewer's browser when the rendered icon receives mouse movement.

CVSS severity5.4
Medium
EPSS probability0.47%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Stored XSS in Heateor Support Sassy Social Share before 3.3.45 allows remote authenticated users to execute script via shortcode attributes. The Sassy_Follow_Icons shortcode places its width attribute into rendered icon markup without validation or output escaping. Contributor access is sufficient to store the payload in a post or page; script executes in a viewer's browser when the rendered icon receives mouse movement.

The record

CVE
CVE-2022-4451
Published
Jan 16, 2023
Updated
Apr 4, 2025
Vendor
Heateor Support
Product
Sassy Social Share
Classifications
CWE-79, T1204
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 16, 2023CVE publishedPublication date reported by the CVE source.
  2. Apr 4, 2025Record 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=0 <3.3.45

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Heateor Support · Sassy Social Shareversion=0 <3.3.45

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

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1204User Execution

Public exploit references

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

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo