CVE-2021-20845
Cross-site request forgery (CSRF) vulnerability in Unlimited Sitemap Generator versions prior to...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2021-20845- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-352
- Updated
- 2026-11-02
CVE ListNo score
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.
- Record
CVE-2021-20845- Updated
- 2026-11-02
EUVDEUVD-2021-8255No score
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.
- Record
EUVD-2021-8255- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-c8jw-79fc-g6pw
Cross-site request forgery (CSRF) vulnerability in Unlimited Sitemap Generator versions prior to...
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.
- Record
GHSA-c8jw-79fc-g6pw- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-352
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-20845 is a high vulnerability (CVSS 8.8) in Xml-sitemaps Unlimited Sitemap Generator, published November 24, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.52%, the 44th percentile. No source names a fixed version.