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Vulnerability record · CVE-2020-26609 · published 23 February 2021

CVE-2020-26609: Fastadmin cross-site scripting vulnerability

Fastadmin · Fastadmin

fastadmin V1.0.0.20200506_beta contains a cross-site scripting (XSS) vulnerability which may allow an attacker to obtain administrator credentials to log in to the background.

5.4 CVSS 3.1 Medium EPSS 0.91% · top 41.8% CWE-79 · Cross-site scripting
5.4CVSS 3.1 base score, v2 3.5
0.91%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

fastadmin V1.0.0.20200506_beta contains a cross-site scripting (XSS) vulnerability which may allow an attacker to obtain administrator credentials to log in to the background.

CVSS:3.1/AV:N/AC:L/PR:L/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://github.com/BigTiger2020/Fastadmin-V1.0.0.20200506_beta ExploitThird Party Advisory
https://github.com/BigTiger2020/Fastadmin-V1.0.0.20200506_beta/blob/main/README.md ExploitThird Party Advisory
https://github.com/karsonzhang/fastadmin Third Party Advisory
https://github.com/BigTiger2020/Fastadmin-V1.0.0.20200506_beta ExploitThird Party Advisory
https://github.com/BigTiger2020/Fastadmin-V1.0.0.20200506_beta/blob/main/README.md ExploitThird Party Advisory
https://github.com/karsonzhang/fastadmin Third Party Advisory

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Related vulnerabilities

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

9.8CVE-2021-43117Fastadmin unrestricted file upload vulnerabilityfastadmin v1.2.1 is affected by a file upload vulnerability which allows arbitrary code execution through shell access.EPSS 2.1%8.8CVE-2020-25967Fastadmin injection vulnerabilityThe member center function in fastadmin V1.0.0.20200506_beta is vulnerable to a Server-Side Template Injection (SSTI) vulnerability.EPSS 1.3%8.8CVE-2019-17431Fastadmin cross-site request forgery vulnerabilityAn issue was discovered in fastadmin 1.0.0.20190705_beta. There is a public/index.php/admin/auth/admin/add CSRF vulnerability.EPSS 0.64%8.8CVE-2019-11077Fastadmin cross-site request forgery vulnerabilityFastAdmin V1.0.0.20190111_beta has a CSRF vulnerability to add a new admin user via the admin/auth/admin/add?dialog=1 URI.EPSS 0.63%7.2CVE-2020-21665Fastadmin sql injection vulnerabilityIn fastadmin V1.0.0.20191212_beta, when a user with administrator rights has logged in, a malicious parameter can be passed for SQL injection in URL …EPSS 0.96%6.5CVE-2019-17432Fastadmin cross-site scripting vulnerabilityAn issue was discovered in fastadmin 1.0.0.20190705_beta. There is a public/admin/general.config/edit CSRF vulnerability, as demonstrated by resultan…EPSS 0.55%5.4CVE-2018-10268Fastadmin cross-site scripting vulnerabilityAn issue was discovered in FastAdmin V1.0.0.20180417_beta. There is XSS via the application\api\controller\User.php avatar parameter.EPSS 0.54%5.3CVE-2024-7928Fastadmin path traversal vulnerabilityA vulnerability, which was classified as problematic, has been found in FastAdmin up to 1.3.3.20220121. Affected by this issue is some unknown functi…EPSS 17%

Source: NIST National Vulnerability Database (record CVE-2020-26609), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.