CVE-2025-44108Public exploitNetwork attack vector

Administrator-browser script execution via unescaped gallery captions

Published May 19, 2025 · Updated May 19, 2025

Stored XSS in FlatPress CMS before 1.4 allows remote authenticated users to execute scripts in another administrator's browser via gallery captions. The gallery captions administration panel persists caption text and renders it into page HTML without output encoding, so script markup survives storage. Administrative access is required to plant the payload, and script execution occurs when another administrator views the affected gallery content.

CVSS severity4.8
Medium
EPSS probability0.33%
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 FlatPress CMS before 1.4 allows remote authenticated users to execute scripts in another administrator's browser via gallery captions. The gallery captions administration panel persists caption text and renders it into page HTML without output encoding, so script markup survives storage. Administrative access is required to plant the payload, and script execution occurs when another administrator views the affected gallery content.

The record

CVE
CVE-2025-44108
Published
May 19, 2025
Updated
May 19, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. May 19, 2025CVE publishedPublication date reported by the CVE source.
  2. May 19, 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

4.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:H/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.

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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 exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007JavaScript/JScript

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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