CVE-2015-3421

Name: CVE-2015-3421
Creator: NVD / NIST
Published: 2017-07-21T14:29:00.46+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.29%

Last modified Jun 17, 2026

CVE-2015-3421 is a vulnerability of currently unknown severity. The eshop_checkout function in checkout.php in the Wordpress Eshop plugin 6.3.11 and earlier does not validate variables in the "eshopcart" HTTP cookie, which allows remote attackers to perform cross-site scripting (XSS) attacks, or a path disclosure attack via crafted variables named after target PHP variables.. EPSS estimates a 1.29% chance of exploitation in the next 30 days.

Description

The eshop_checkout function in checkout.php in the Wordpress Eshop plugin 6.3.11 and earlier does not validate variables in the "eshopcart" HTTP cookie, which allows remote attackers to perform cross-site scripting (XSS) attacks, or a path disclosure attack via crafted variables named after target PHP variables.

Metrics

EPSS Probability

1.29%

66.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Eshop Project	Eshop	<= 6.3.11

References

http://www.securityfocus.com/bid/74477Third Party Advisory, VDB Entry
https://www.htbridge.com/advisory/HTB23255Third Party Advisory
http://www.securityfocus.com/bid/74477Third Party Advisory, VDB Entry
https://www.htbridge.com/advisory/HTB23255Third Party Advisory

Timeline

Published: Jul 21, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-3421?

How severe is CVE-2015-3421?

Severity scoring for CVE-2015-3421 is pending analysis. The EPSS model estimates a 1.29% probability of exploitation in the next 30 days.

How do I fix CVE-2015-3421?

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-2015-3421?

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

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Source: NVD / NIST