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.
Vendor Status
| Vendor | Link |
| XML-Sitemaps | New Sitemap Generator Script version: v8.2 |
| Unlimited Sitemap Generator |
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 |
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| JPCERT Reports |
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| CERT Advisory |
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| CPNI Advisory |
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| TRnotes |
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| CVE |
CVE-2021-20845 |
| JVN iPedia |
JVNDB-2021-000101 |