Skip to content
Fencer Intel
high 7.5

CVE-2013-5036 in the critical feed json

The Square Squash allows remote attackers to execute arbitrary code via a YAML document in the (1) namespace parameter to the deobfuscation…

published 12y ago modified 4mo ago also EUVD-2013-4878

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
46.2%
EPSS 46.2% chance of exploitation in 30 days, percentile 98%
public exploits
2
Metasploit and Exploit-DB

Summary

The Square Squash allows remote attackers to execute arbitrary code via a YAML document in the (1) namespace parameter to the deobfuscation function or (2) sourcemap parameter to the sourcemap function in app/controllers/api/v1_controller.rb.

Patch / fix

Is CVE-2013-5036 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Timeline

  1. First public exploit (Metasploit exploit/unix/webapp/squash_yaml_exec)
  2. Published

Exploit prediction

46.18% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code

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.