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Vulnerability record · CVE-2021-27885 · published 2 March 2021

CVE-2021-27885: E107 cross-site request forgery vulnerability

E107 · E107

usersettings.php in e107 through 2.3.0 lacks a certain e_TOKEN protection mechanism.

8.8 CVSS 3.1 High EPSS 3.2% · top 12.3% CWE-352 · Cross-site request forgery
8.8CVSS 3.1 base score, v2 6.8
3.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

usersettings.php in e107 through 2.3.0 lacks a certain e_TOKEN protection mechanism.

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

Affected products

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

References

LinkTags
http://packetstormsecurity.com/files/161651/e107-CMS-2.3.0-Cross-Site-Request-Forgery.html Third Party Advisory
https://github.com/e107inc/e107/commit/d9efdb9b5f424b4996c276e754a380a5e251f472 PatchThird Party Advisory
https://github.com/e107inc/e107/releases Release NotesThird Party Advisory
http://packetstormsecurity.com/files/161651/e107-CMS-2.3.0-Cross-Site-Request-Forgery.html Third Party Advisory
https://github.com/e107inc/e107/commit/d9efdb9b5f424b4996c276e754a380a5e251f472 PatchThird Party Advisory
https://github.com/e107inc/e107/releases Release NotesThird Party Advisory

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Related vulnerabilities

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

10.0CVE-2008-1989123flashchat 123 flash chat module code injection vulnerabilityPHP remote file inclusion vulnerability in 123flashchat.php in the 123 Flash Chat 6.8.0 module for e107, when register_globals is enabled, allows rem…EPSS 3.6%8.8CVE-2016-10753E107 deserialization of untrusted data vulnerabilitye107 2.1.2 allows PHP Object Injection with resultant SQL injection, because usersettings.php uses unserialize without an HMAC.EPSS 1.7%8.8CVE-2018-15901E107 cross-site request forgery vulnerabilitye107 2.1.8 has CSRF in 'usersettings.php' with an impact of changing details such as passwords of users including administrators.EPSS 0.56%8.7CVE-2022-50916E107 unrestricted file upload vulnerabilitye107 CMS version 3.2.1 contains a file upload vulnerability that allows authenticated administrators to override server files through the Media Manag…EPSS 0.93%8.6CVE-2022-50939E107 path traversal vulnerabilitye107 CMS version 3.2.1 contains a critical file upload vulnerability that allows authenticated administrators to override arbitrary server files thro…EPSS 1.3%8.6CVE-2022-50907E107 unrestricted file upload vulnerabilitye107 CMS version 3.2.1 contains a file upload vulnerability that allows authenticated administrative users to bypass upload restrictions and execute …EPSS 1.2%7.5CVE-2011-1513E107 os command injection vulnerabilityStatic code injection vulnerability in install_.php in e107 CMS 0.7.24 and probably earlier versions, when the installation script is not removed, al…EPSS 5.6%7.5CVE-2010-2098E107 vulnerabilityIncomplete blacklist vulnerability in usersettings.php in e107 0.7.20 and earlier allows remote attackers to conduct SQL injection attacks via the lo…EPSS 1.1%

Source: NIST National Vulnerability Database (record CVE-2021-27885), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.