Published:2021/11/12  Last Updated:2021/11/12

JVN#58407606
Unlimited Sitemap Generator vulnerable to cross-site request forgery

Overview

Unlimited Sitemap Generator provided by XML-Sitemaps contains a cross-site request forgery vulnerability.

Products Affected

  • Unlimited Sitemap Generator versions prior to v8.2

Description

Unlimited Sitemap Generator provided by XML-Sitemaps contains a cross-site request forgery vulnerability (CWE-352).

Impact

If a user views a malicious page while logged in, unintended operations may be performed.

Solution

Update the software
Update the software to the latest version according to the information provided by the developer.
The developer released Unlimited Sitemap Generator v8.2 that contains a fix for this vulnerability.

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

CVSS v3 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Base Score: 4.3
Attack Vector(AV) Physical (P) Local (L) Adjacent (A) Network (N)
Attack Complexity(AC) High (H) Low (L)
Privileges Required(PR) High (H) Low (L) None (N)
User Interaction(UI) Required (R) None (N)
Scope(S) Unchanged (U) Changed (C)
Confidentiality Impact(C) None (N) Low (L) High (H)
Integrity Impact(I) None (N) Low (L) High (H)
Availability Impact(A) None (N) Low (L) High (H)
CVSS v2 AV:N/AC:H/Au:N/C:N/I:P/A:N
Base Score: 2.6
Access Vector(AV) Local (L) Adjacent Network (A) Network (N)
Access Complexity(AC) High (H) Medium (M) Low (L)
Authentication(Au) Multiple (M) Single (S) None (N)
Confidentiality Impact(C) None (N) Partial (P) Complete (C)
Integrity Impact(I) None (N) Partial (P) Complete (C)
Availability Impact(A) None (N) Partial (P) Complete (C)

Credit

Kanta Nishitani of Ierae Security, Inc reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE CVE-2021-20845
JVN iPedia JVNDB-2021-000101