What is CVE-2012-5177?

CVE-2012-5177 is a vulnerability in Welcart Plugin, classified under Cross-site Scripting. Published 2012-12-19.

Is CVE-2012-5177 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Welcart Plugin

CVE-2012-5177

Cross-site scripting (XSS) vulnerability in the Welcart plugin before 1.2.2 for WordPress allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2012-12-19 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.019 (79.4th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000

Affected products

Welcart Plugin — versions 0.5, 0.9.1, 1.2.1
WordPress

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

jvn.jp/en/jp/JVN18731696/index.html (third-party-advisory)
www.welcart.com/community/archives/4524
jvndb.jvn.jp/jvndb/JVNDB-2012-000108 (third-party-advisory)

Frequently asked questions

What is CVE-2012-5177?: CVE-2012-5177 is a vulnerability in Welcart Plugin, classified under Cross-site Scripting. Published 2012-12-19.
Is CVE-2012-5177 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.