CVE-2020-23837

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

A Cross-Site Request Forgery (CSRF) vulnerability in the Multi User plugin 1.8.2 for GetSimple CMS allows remote attackers to add admin (or other) users after an authenticated admin visits a third-party site or clicks on a URL.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-352

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://get-simple.info/extend/plugin/multi-user/133/Third Party Advisory
https://www.exploit-db.com/exploits/48745Exploit, Third Party Advisory, VDB Entry
http://get-simple.info/extend/plugin/multi-user/133/Third Party Advisory
https://www.exploit-db.com/exploits/48745Exploit, Third Party Advisory, VDB Entry

Timeline

Published: Sep 25, 2020
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2020

CVE-2020-238396.1A Reflected Cross-Site Scripting (XSS) vulnerability in GetSimple CMS v3.3.16, in the admin/index.php login portal webpage, allows remote at CVE-2020-238496.1Stored XSS was discovered in the tree mode of jsoneditor before 9.0.2 through injecting and executing JavaScript.CVE-2020-238515.5A stack-based buffer overflow vulnerability exists in ffjpeg through 2020-07-02 in the jfif_decode(void *ctxt, BMP *pb) function at ffjpeg/s CVE-2020-238525.5A heap based buffer overflow vulnerability exists in ffjpeg through 2020-07-02 in the jfif_decode(void *ctxt, BMP *pb) function at ffjpeg/sr CVE-2020-238565.5Use-after-Free vulnerability in cflow 1.6 in the void call(char *name, int line) function at src/parser.c, which could cause a denial of ser CVE-2020-238615.5A heap-based buffer overflow vulnerability exists in LibreDWG 0.10.1 via the read_system_page function at libredwg-0.10.1/src/decode_r2007.c CVE-2020-238647.8An issue exits in IOBit Malware Fighter version 8.0.2.547. Local escalation of privileges is possible by dropping a malicious DLL file into CVE-2020-238685.4NeDi 1.9C allows inc/rt-popup.php d XSS.CVE-2020-238727.5A NULL pointer dereference in the function TextPage::restoreState of pdf2xml v2.0 allows attackers to cause a denial of service (DoS).CVE-2020-238739.8pdf2xml v2.0 was discovered to contain a heap-buffer overflow in the function TextPage::dump.CVE-2020-238749.8pdf2xml v2.0 was discovered to contain a heap-buffer overflow in the function TextPage::addAttributsNode.CVE-2020-238767.5pdf2xml v2.0 was discovered to contain a memory leak in the function TextPage::testLinkedText.