Auth bypass in Katy Whitton Newscmslite

CVE-2006-2636

newsadmin.asp in Katy Whitton NewsCMSLite allows remote attackers to bypass authentication and gain administrative access by setting the loggedIn cookie to "xY1zZoPQ".

Vulnerability class: Broken Authentication

Published 2006-05-30 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 7.5 (High). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.036 (89.2th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.036 · newest: 0.036 · change: 0.000

Affected products

Katy Whitton Newscmslite

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

www.bugreport.ir/index_62.htm (Exploit)
www.securityfocus.com/archive/1/435019/100/0/threaded (mailing-list)
www.kapda.ir/advisory-332.html (Vendor Advisory)
www.vupen.com/english/advisories/2006/1993 (vdb-entry, Vendor Advisory)
secunia.com/advisories/20294 (Vendor Advisory, third-party-advisory)
www.securityfocus.com/archive/1/500407/100/0/threaded (mailing-list)
securityreason.com/securityalert/974 (third-party-advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/26698 (vdb-entry)