CVE-2025-3521Network attack vector

Stored XSS via unsanitized social-link icons

Published May 1, 2025 · Updated Apr 8, 2026

Stored XSS in WPSpeedo Team Members Showcase 3.4.1 and earlier allows remote authenticated users to inject scripts via social-link icons. The plugin stores social-link icon values without sufficient input sanitization and renders them without adequate output escaping. Contributor-level access permits persistent script execution when another user opens a page containing the crafted team profile.

CVSS severity6.4
Medium
EPSS probability0.29%
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 WPSpeedo Team Members Showcase 3.4.1 and earlier allows remote authenticated users to inject scripts via social-link icons. The plugin stores social-link icon values without sufficient input sanitization and renders them without adequate output escaping. Contributor-level access permits persistent script execution when another user opens a page containing the crafted team profile.

The record

CVE
CVE-2025-3521
Published
May 1, 2025
Updated
Apr 8, 2026
Vendor
WPSpeedo
Product
Team Members Showcase
Classifications
CWE-80, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 1, 2025CVE publishedPublication date reported by the CVE source.
  2. Apr 8, 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=0 <=3.4.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

WPSpeedo · Team Members Showcaseversion=0 <=3.4.1

Published CVSS scores

6.4WordfenceCVSS:3.1/AV:N/AC:L/PR:L/UI:N/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-80Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
T1059.007JavaScript/JScript

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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