CVE-2025-32521Network attack vector

Reflected script execution in privileged browser sessions

Published Apr 17, 2025 · Updated Apr 28, 2026

Reflected XSS in Cool Plugins Cool Flipbox 1.8.3 and earlier allows remote attackers to run script in a user's browser via a crafted link. The public advisory does not identify the affected parameter or the code path that returns it without adequate output neutralization. Exploitation is unauthenticated but requires a privileged user to open a crafted link or page, exposing that user's browser session to script execution.

CVSS severity7.1
High
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

Reflected XSS in Cool Plugins Cool Flipbox 1.8.3 and earlier allows remote attackers to run script in a user's browser via a crafted link. The public advisory does not identify the affected parameter or the code path that returns it without adequate output neutralization. Exploitation is unauthenticated but requires a privileged user to open a crafted link or page, exposing that user's browser session to script execution.

The record

CVE
CVE-2025-32521
Published
Apr 17, 2025
Updated
Apr 28, 2026
Vendor
Cool Plugins
Product
Cool Flipbox – Shortcode & Gutenberg Block
Classifications
CWE-79, CAPEC-591, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 17, 2025CVE 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=0 <=1.8.3 changes=[{"at":"1.9.0","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Cool Plugins · Cool Flipbox – Shortcode & Gutenberg Blockversion=0 <=1.8.3 changes=[{"at":"1.9.0","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

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
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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