XSS in Flock

CVE-2010-3262

Cross-site scripting (XSS) vulnerability in Flock Browser 3.x before 3.0.0.4114 allows remote attackers to inject arbitrary web script or HTML via a crafted RSS feed.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2010-09-20 · 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: 0.010 (62.8th percentile), scored 2026-10-12.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Flock

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.securityfocus.com/bid/43225 (vdb-entry)
flock.com/security/ (Vendor Advisory)
www.securityfocus.com/archive/1/513701/100/0/threaded (mailing-list)
exchange.xforce.ibmcloud.com/vulnerabilities/61820 (vdb-entry)