What is CVE-2011-3856?

CVE-2011-3856 is a vulnerability in Atastypixel Elegant Grunge, classified under Cross-site Scripting. Published 2011-09-28.

Is CVE-2011-3856 known to be exploited?

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

XSS in Atastypixel Elegant Grunge

CVE-2011-3856

Cross-site scripting (XSS) vulnerability in the Elegant Grunge theme before 1.0.4 for WordPress allows remote attackers to inject arbitrary web script or HTML via the s parameter.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2011-09-28 · 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: 0.035 (88.8th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.035 · newest: 0.035 · change: 0.000

Affected products

Atastypixel Elegant Grunge — versions 0.1, 0.2, 0.2.1
WordPress

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

sitewat.ch/en/Advisories/14 (URL Repurposed, Exploit)

Frequently asked questions

What is CVE-2011-3856?: CVE-2011-3856 is a vulnerability in Atastypixel Elegant Grunge, classified under Cross-site Scripting. Published 2011-09-28.
Is CVE-2011-3856 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.