CVE-2025-46445Network attack vector

Stored script execution via undisclosed input handling

Published Apr 24, 2025 · Updated Apr 28, 2026

Stored XSS in pReya External Markdown 0.0.1 and earlier allows remote authenticated users to execute scripts in a victim's browser. Patchstack has not published the vulnerable input field, rendering function, or missing output-encoding operation that stores attacker-controlled markup. Exploitation requires low-privileged access to submit the payload and user interaction to render the stored content, allowing script execution in the victim's browser context.

CVSS severity6.5
Medium
EPSS probability0.25%
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 pReya External Markdown 0.0.1 and earlier allows remote authenticated users to execute scripts in a victim's browser. Patchstack has not published the vulnerable input field, rendering function, or missing output-encoding operation that stores attacker-controlled markup. Exploitation requires low-privileged access to submit the payload and user interaction to render the stored content, allowing script execution in the victim's browser context.

The record

CVE
CVE-2025-46445
Published
Apr 24, 2025
Updated
Apr 28, 2026
Vendor
pReya
Product
External Markdown
Classifications
CWE-79, CAPEC-592, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 24, 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 <=0.0.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

pReya · External Markdownversion=0 <=0.0.1

Published CVSS scores

6.5PatchstackCVSS:3.1/AV:N/AC:L/PR:L/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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-592Stored XSS
T1059.007Command and Scripting Interpreter: JavaScript

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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