What is CVE-2011-3850?

CVE-2011-3850 is a vulnerability in Bytesforall Atahualpa, classified under Cross-site Scripting. Published 2011-09-28.

Is CVE-2011-3850 known to be exploited?

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

XSS in Bytesforall Atahualpa

CVE-2011-3850

Cross-site scripting (XSS) vulnerability in the Atahualpa theme before 3.6.8 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: 0.043 (90.7th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 90.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.043 · newest: 0.043 · change: 0.000

Affected products

Bytesforall Atahualpa — versions 2.0, 2.01, 2.2
WordPress

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

secunia.com/advisories/46297 (third-party-advisory)
sitewat.ch/en/Advisories/8 (URL Repurposed, Exploit)
wpvulndb.com/vulnerabilities/9788

Frequently asked questions

What is CVE-2011-3850?: CVE-2011-3850 is a vulnerability in Bytesforall Atahualpa, classified under Cross-site Scripting. Published 2011-09-28.
Is CVE-2011-3850 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.