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Vulnerability record · CVE-2021-44116 · published 15 December 2021

CVE-2021-44116: Anchorcms anchor cms cross-site scripting vulnerability

Anchorcms · Anchor Cms

Cross Site Scripting (XSS) vulnerability exits in Anchor CMS <=0.12.7 in posts.php. Attackers can use the posts column to upload the title and content containing malicious code to achieve the purpose of obtaining the administrator cookie, thereby achieving other malicious operations.

6.1 CVSS 3.1 Medium EPSS 0.75% · top 47.1% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score, v2 4.3
0.75%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Cross Site Scripting (XSS) vulnerability exits in Anchor CMS <=0.12.7 in posts.php. Attackers can use the posts column to upload the title and content containing malicious code to achieve the purpose of obtaining the administrator cookie, thereby achieving other malicious operations.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.cnblogs.com/unrealnumb/p/15573449.html ExploitThird Party Advisory
https://www.cnblogs.com/unrealnumb/p/15573449.html ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2020-23342Anchorcms anchor cms cross-site request forgery vulnerabilityA CSRF vulnerability exists in Anchor CMS 0.12.7 anchor/views/users/edit.php that can change the Delete admin users.EPSS 12%7.5CVE-2015-5687Anchorcms anchor cms code injection vulnerabilitysystem/session/drivers/cookie.php in Anchor CMS 0.9.x allows remote attackers to conduct PHP object injection attacks and execute arbitrary PHP code …EPSS 2.5%7.4CVE-2024-29499Anchorcms anchor cms cross-site request forgery vulnerabilityAnchor CMS v0.12.7 was discovered to contain a Cross-Site Request Forgery (CSRF) via /anchor/admin/users/delete/2.EPSS 0.25%6.1CVE-2024-37732Anchorcms anchor cms cross-site scripting vulnerabilityCross Site Scripting vulnerability in Anchor CMS v.0.12.7 allows a remote attacker to execute arbitrary code via a crafted .pdf file.EPSS 17%6.1CVE-2015-5060Anchorcms anchor cms cross-site scripting vulnerabilityCross-site scripting (XSS) vulnerability in anchor-cms before 0.9-dev.EPSS 0.65%5.4CVE-2025-46041Anchorcms anchor cms cross-site scripting vulnerabilityA stored cross-site scripting (XSS) vulnerability in Anchor CMS v0.12.7 allows attackers to inject malicious JavaScript via the page description fiel…EPSS 0.60%5.4CVE-2021-46253Anchorcms anchor cms cross-site scripting vulnerabilityA cross-site scripting (XSS) vulnerability in the Create Post function of Anchor CMS v0.12.7 allows attackers to execute arbitrary web scripts or HTM…EPSS 0.62%4.5CVE-2022-25576Anchorcms anchor cms cross-site request forgery vulnerabilityAnchor CMS v0.12.7 was discovered to contain a Cross-Site Request Forgery (CSRF) via the component anchor/routes/posts.php. This vulnerability allows…EPSS 0.40%

Source: NIST National Vulnerability Database (record CVE-2021-44116), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.