CVE-2021-20845

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Published Nov 24, 2021 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

Description

Cross-site request forgery (CSRF) vulnerability in Unlimited Sitemap Generator versions prior to v8.2 allows a remote attacker to hijack the authentication of an administrator and conduct arbitrary operation via a specially crafted web page.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

XML-Sitemaps

Unlimited Sitemap Generator

affected

Version	Status	Constraints
`versions prior to v8.2`	affected	—

Configuration 1 [-]

cpe:2.3:a:xml-sitemaps:unlimited_sitemap_generator:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-8255	Cross-site request forgery (CSRF) vulnerability in Unlimited Sitemap Generator versions prior to v8.2 allows a remote attacker to hijack the authentication of an administrator and conduct arbitrary operation via a specially crafted web page.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.523% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://jvn.jp/en/jp/JVN58407606/index.html
https://www.xml-sitemaps.com/news-20210831.html
https://www.xml-sitemaps.com/standalone-google-sitemap-generator.html

History

No history.

Subscriptions

Xml-sitemaps Unlimited Sitemap Generator

Weaknesses

CWE-352

Sources

CVE record Updated: Aug 3, 2024, 5:53 PM

Status: PUBLISHED
Assigner: jpcert
Published: Nov 24, 2021, 8:25 AM
Updated: Aug 3, 2024, 5:53 PM
Reserved: Dec 17, 2020, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:34 AM

Status: Modified
Published: Nov 24, 2021, 4:15 PM
Modified: Jun 17, 2026, 3:34 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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