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Fencer Vulns
medium 5.0

CVE-2005-2455 json

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…

published 2005-08-04 21 y ago modified 2026-06-16 4 mo ago also EUVD-2005-2456

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
8.5%
EPSS 8.5% chance of exploitation in 30 days, percentile 95%
public exploits
1
Exploit-DB

Summary

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.

Patch / fix

Timeline

  1. First public exploit (EDB-26017)
  2. Published

Exploit prediction

8.54% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-26017 Greasemonkey 0.3.3 - Multiple Remote Information Disclosure Vulnerabilities webapps, 2005-07-20
  • securityfocus.com http://www.securityfocus.com/bid/14336 referenced PoC, tagged "exploit" by a source, unverified
  • securitytracker.com http://securitytracker.com/id?1014529 referenced PoC, tagged "exploit" by a source, unverified
  • securiteam.com http://www.securiteam.com/securitynews/5CP0P20GBK.html referenced PoC, tagged "exploit" by a source, unverified
  • mozdev.org http://mozdev.org/pipermail/greasemonkey/2005-July/004000.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.