CVE-2015-2963

Name: CVE-2015-2963
Creator: NVD / NIST
Published: 2015-07-10T17:59:00.093+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.12%

Last modified Jun 17, 2026

CVE-2015-2963 is a vulnerability of currently unknown severity. The thoughtbot paperclip gem before 4.2.2 for Ruby does not consider the content-type value during media-type validation, which allows remote attackers to upload HTML documents and conduct cross-site scripting (XSS) attacks via a spoofed value, as demonstrated by image/jpeg.. EPSS estimates a 2.12% chance of exploitation in the next 30 days.

Description

The thoughtbot paperclip gem before 4.2.2 for Ruby does not consider the content-type value during media-type validation, which allows remote attackers to upload HTML documents and conduct cross-site scripting (XSS) attacks via a spoofed value, as demonstrated by image/jpeg.

Metrics

EPSS Probability

2.12%

79.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Thoughtbot	Paperclip	<= 4.2.1

References

http://jvn.jp/en/jp/JVN83881261/index.htmlVendor Advisory
http://jvndb.jvn.jp/jvndb/JVNDB-2015-000088Vendor Advisory
http://openwall.com/lists/oss-security/2015/06/19/3Vendor Advisory
http://www.securityfocus.com/bid/75304
https://github.com/thoughtbot/paperclip/commit/9aee4112f36058cd28d5fe4a006d6981bd1eda57Exploit, Vendor Advisory
https://robots.thoughtbot.com/paperclip-security-releaseVendor Advisory
http://jvn.jp/en/jp/JVN83881261/index.htmlVendor Advisory
http://jvndb.jvn.jp/jvndb/JVNDB-2015-000088Vendor Advisory
http://openwall.com/lists/oss-security/2015/06/19/3Vendor Advisory
http://www.securityfocus.com/bid/75304
https://github.com/thoughtbot/paperclip/commit/9aee4112f36058cd28d5fe4a006d6981bd1eda57Exploit, Vendor Advisory
https://robots.thoughtbot.com/paperclip-security-releaseVendor Advisory

Timeline

Published: Jul 10, 2015
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-2963?

How severe is CVE-2015-2963?

Severity scoring for CVE-2015-2963 is pending analysis. The EPSS model estimates a 2.12% probability of exploitation in the next 30 days.

How do I fix CVE-2015-2963?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-2963?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST