CVE-2025-53287Network attack vector

Administrator-level stored XSS via unsanitized input

Published Jun 27, 2025 · Updated May 13, 2026

Stored XSS in Robert Cummings Quick Favicon 0.22.8 and earlier allows remote authenticated users to inject scripts into site pages. Public advisories attribute the flaw to insufficient input sanitization and output escaping but do not identify the affected field or code path. Administrator access is required, and execution requires another user to visit an injected page; exposure is limited to multisite or sites with unfiltered_html disabled.

CVSS severity5.9
Medium
EPSS probability0.21%
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 Robert Cummings Quick Favicon 0.22.8 and earlier allows remote authenticated users to inject scripts into site pages. Public advisories attribute the flaw to insufficient input sanitization and output escaping but do not identify the affected field or code path. Administrator access is required, and execution requires another user to visit an injected page; exposure is limited to multisite or sites with unfiltered_html disabled.

The record

CVE
CVE-2025-53287
Published
Jun 27, 2025
Updated
May 13, 2026
Vendor
Robert Cummings
Product
Quick Favicon
Classifications
CWE-79, T1189
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jun 27, 2025CVE publishedPublication date reported by the CVE source.
  2. May 13, 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 <=0.22.8

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Robert Cummings · Quick Faviconversion=0 <=0.22.8

Published CVSS scores

5.9PatchstackCVSS:3.1/AV:N/AC:L/PR:H/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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1189Drive-by Compromise

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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