CVE-2026-73032Public exploitNetwork attack vector

Code execution via unsanitized LLM response evaluation

Published Aug 11, 2026 · Updated Aug 11, 2026

Code injection in PapersGPT for Zotero 0.6.1 and earlier allows remote attackers to execute JavaScript through a crafted LLM response. In views.ts, execTag inserts raw getGPTResponse output into a setTimeout body and passes the constructed string to window.eval(). Execution requires a user to invoke Chat PDF after a hostile PDF influences the model, an API response is intercepted, or a malicious custom endpoint is selected; resulting code runs in Zotero's chrome-privileged context with file, process, and library-data access.

CVSS severity9.4
Critical
EPSS probability0.44%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Code injection in PapersGPT for Zotero 0.6.1 and earlier allows remote attackers to execute JavaScript through a crafted LLM response. In views.ts, execTag inserts raw getGPTResponse output into a setTimeout body and passes the constructed string to window.eval(). Execution requires a user to invoke Chat PDF after a hostile PDF influences the model, an API response is intercepted, or a malicious custom endpoint is selected; resulting code runs in Zotero's chrome-privileged context with file, process, and library-data access.

The record

CVE
CVE-2026-73032
Published
Aug 11, 2026
Updated
Aug 11, 2026
Vendor
PapersGPT
Product
PapersGPT for Zotero
Classifications
CWE-94, T1059.007
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 11, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 11, 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 <=0.6.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

PapersGPT · PapersGPT for Zoteroversion=0 <=0.6.1

Published CVSS scores

9.6VulnCheck CNACVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
9.4VulnCheck CNACVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-94Improper Control of Generation of Code ('Code Injection')
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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