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Fencer Intel
medium 6.8

CVE-2015-6660 json

The Form API in Drupal 6.x before 6.37 and 7.x before 7.39 does not properly validate the form token, which allows remote attackers to cond…

published 2015-08-24 11 y ago modified 2026-06-17 4 mo ago also EUVD-2015-6598

cvss
6.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 71%
public exploits
0
none known

Summary

The Form API in Drupal 6.x before 6.37 and 7.x before 7.39 does not properly validate the form token, which allows remote attackers to conduct CSRF attacks that upload files in a different user's account via vectors related to "file upload value callbacks."

Patch / fix

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2015-6660 updated cvss 6.8

drupal: Several issues in 6.x and 7.x (SA-CORE-2015-003)

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.33% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-352 Cross-Site Request Forgery

References

Sources

Fencer Intel 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.