CVE-2005-2455

Greasemonkey <0.3.5 - Info Disclosure

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2005-2455. PoCs published by Mark Pilgrim.

AI-analyzed exploit summary The writeup describes multiple information disclosure vulnerabilities in Greasemonkey due to insecure JavaScript functions like 'GM_xmlhttpRequest()', 'GM_setValue()', and 'GM_scripts()'. These issues allow remote attackers to retrieve arbitrary files, directory listings, and private Greasemonkey data structures.

Description

Greasemonkey before 0.3.5 allows remote web servers to (1) read arbitrary files via a GET request to a file:// URL in the GM_xmlhttpRequest API function, (2) list installed scripts using GM_scripts, or obtain sensitive information via (3) GM_setValue and GM_getValue.

Exploits (1)

exploitdb WRITEUP VERIFIED
by Mark Pilgrim · textwebappscgi
https://www.exploit-db.com/exploits/26017

The writeup describes multiple information disclosure vulnerabilities in Greasemonkey due to insecure JavaScript functions like 'GM_xmlhttpRequest()', 'GM_setValue()', and 'GM_scripts()'. These issues allow remote attackers to retrieve arbitrary files, directory listings, and private Greasemonkey data structures.

Classification
Writeup 90%
Attack Type
Info Leak
Complexity
Moderate
Reliability
Theoretical
Target: Greasemonkey (version not specified)
No auth needed
Prerequisites: Victim must have Greasemonkey installed · Attacker must lure victim to a malicious webpage
mistral-large-3 · analyzed Feb 16, 2026 Full analysis →

References (11)

Core 11
Core References
Patch, Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/16128
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2005/1147
Various Sources mailing-list x_refsource_mlist
http://mozdev.org/pipermail/greasemonkey/2005-July/004022.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/21453
Exploit, Patch vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/14336
Exploit, Patch vdb-entry x_refsource_sectrack
http://securitytracker.com/id?1014529
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://www.osvdb.org/18154

Scores

EPSS 0.0854
EPSS Percentile 94.4%

Details

Status published
Products (1)
greasemonkey/greasemonkey 0.3.3
Published Aug 04, 2005
Tracked Since Feb 18, 2026