CVE-2025-57940Network attack vector

Stored XSS via undisclosed input handling

Published Sep 22, 2025 · Updated Apr 28, 2026

Stored XSS in Append extensions on Pages 1.1.2 and earlier allows remote authenticated users to execute script in a victim's browser. Patchstack has not disclosed the affected input, code locus, or missing neutralization operation beyond classifying the flaw as stored XSS. Exploitation requires high privileges to store the payload and user interaction to render it, bounding impact to the viewing browser context.

CVSS severity5.9
Medium
EPSS probability0.30%
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 Append extensions on Pages 1.1.2 and earlier allows remote authenticated users to execute script in a victim's browser. Patchstack has not disclosed the affected input, code locus, or missing neutralization operation beyond classifying the flaw as stored XSS. Exploitation requires high privileges to store the payload and user interaction to render it, bounding impact to the viewing browser context.

The record

CVE
CVE-2025-57940
Published
Sep 22, 2025
Updated
Apr 28, 2026
Vendor
Suresh Kumar Mukhiya
Product
Append extensions on Pages
Classifications
CWE-79, CAPEC-592, T1203
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Sep 22, 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

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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 <=1.1.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Suresh Kumar Mukhiya · Append extensions on Pagesversion=0 <=1.1.2

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')
CAPEC-592Stored 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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