CVE-2025-25303Network attack vector

Arbitrary browser requests via exposed PDF viewer

Published Mar 3, 2025 · Updated Mar 4, 2025

SSRF in ttop32 MouseTooltipTranslator 0.1.127 and earlier allows remote attackers to send arbitrary GET requests from the user’s browser. The web-accessible viewer passes its URL parameter directly to pdf.mjs, whose fetch call accepts the destination without restricting its origin or address. A malicious website can reach the viewer without authentication and target resources available from the browser’s network context.

CVSS severity6.9
Medium
EPSS probability0.48%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

SSRF in ttop32 MouseTooltipTranslator 0.1.127 and earlier allows remote attackers to send arbitrary GET requests from the user’s browser. The web-accessible viewer passes its URL parameter directly to pdf.mjs, whose fetch call accepts the destination without restricting its origin or address. A malicious website can reach the viewer without authentication and target resources available from the browser’s network context.

The record

CVE
CVE-2025-25303
Published
Mar 3, 2025
Updated
Mar 4, 2025
Vendor
ttop32
Product
MouseTooltipTranslator
Classifications
CWE-918, T1185
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 3, 2025CVE publishedPublication date reported by the CVE source.
  2. Mar 4, 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=<= 0.1.127

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

ttop32 · MouseTooltipTranslatorversion=<= 0.1.127

Published CVSS scores

6.9GitHub, Inc.CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA: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.

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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-918Server-Side Request Forgery (SSRF)
T1185Browser Session Hijacking

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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