CVE-2013-5036Square Squash Code Injection
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.
Published May 27, 2014 · Updated May 6, 2026
Key Facts
Patch immediately- CVE-2013-5036 is a high-severity vulnerability (CVSS 7.5 v2) affecting Square Squash (Squash).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 46% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v2
7.5
AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS (30-day exploit likelihood)
46%
Higher than 98.8% of all scored CVEs
Exploit maturity
Weaponized
ATLAS score
54/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Weaponized
Public exploit code
3
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
Description
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.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Square SquashSquash | See advisory | n/a |
Timeline
Publicly disclosed
May 27, 2014
Last updated
May 6, 2026
Weakness Type
- CWE-94 Improper Control of Generation of Code ('Code Injection')
References
- patchgithub.com · 6d667c1
- exploitMSF squash_yaml_exec.rb
- exploitExploitDB-27530
- exploit27530
- otherceriksen.com · squash-remote-code-execution-vulnerability-advi…
FAQ
Common Questions.
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.
Affected: Square Squash (Squash). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2013-5036 On Your Attack Surface?
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