CVE-2025-1452Public exploitNetwork attack vector

Stored XSS via unescaped unfavorite button markup

Published Mar 25, 2025 · Updated Mar 25, 2025

Stored XSS in Favorites before 2.3.5 allows remote authenticated users with administrator privileges to execute scripts in visitors' browsers. The Display & Post Types settings accept unsanitized Button Markup: Unfavorited HTML and render it automatically on new posts without output escaping. An administrator must save the payload, and a visitor must view an affected post; execution is limited to the visitor's browser context.

CVSS severity3.5
Low
EPSS probability0.26%
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 Favorites before 2.3.5 allows remote authenticated users with administrator privileges to execute scripts in visitors' browsers. The Display & Post Types settings accept unsanitized Button Markup: Unfavorited HTML and render it automatically on new posts without output escaping. An administrator must save the payload, and a visitor must view an affected post; execution is limited to the visitor's browser context.

The record

CVE
CVE-2025-1452
Published
Mar 25, 2025
Updated
Mar 25, 2025
Vendor
Kyle Phillips
Product
Favorites
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Mar 25, 2025CVE publishedPublication date reported by the CVE source.
  2. Mar 25, 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 <2.3.5

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Kyle Phillips · Favoritesversion=0 <2.3.5

Published CVSS scores

3.5CISA-ADPCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/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.

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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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007Command and Scripting Interpreter: JavaScript

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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