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Vulnerability record · CVE-2023-1713 · published 1 November 2023

CVE-2023-1713: Bitrix24 unrestricted file upload vulnerability

Bitrix24 · Bitrix24

Insecure temporary file creation in bitrix/modules/crm/lib/order/import/instagram.php in Bitrix24 22.0.300 hosted on Apache HTTP Server allows remote authenticated attackers to execute arbitrary code via uploading a crafted ".htaccess" file.

8.8 CVSS 3.1 High EPSS 1.2% · top 32.3% CWE-434 · Unrestricted file upload
8.8CVSS 3.1 base score
1.2%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

Insecure temporary file creation in bitrix/modules/crm/lib/order/import/instagram.php in Bitrix24 22.0.300 hosted on Apache HTTP Server allows remote authenticated attackers to execute arbitrary code via uploading a crafted ".htaccess" file.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/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
https://starlabs.sg/advisories/23/23-1713/ ExploitThird Party Advisory
https://starlabs.sg/advisories/23/23-1713/ ExploitThird Party Advisory

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Related vulnerabilities

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

9.8CVE-2023-1719Bitrix24 vulnerabilityGlobal variable extraction in bitrix/modules/main/tools.php in Bitrix24 22.0.300 allows unauthenticated remote attackers to (1) enumerate attachments…EPSS 5.0%9.8CVE-2022-27228Bitrix24 improper input validation vulnerabilityIn the vote (aka "Polls, Votes") module before 21.0.100 of Bitrix Site Manager, a remote unauthenticated attacker can execute arbitrary code.EPSS 21%9.8CVE-2020-13484Bitrix24 server-side request forgery (ssrf) vulnerabilityBitrix24 through 20.0.975 allows SSRF via an intranet IP address in the services/main/ajax.php?action=attachUrlPreview url parameter, if the destinat…EPSS 2.0%9.6CVE-2023-1716Bitrix24 cross-site scripting vulnerabilityCross-site scripting (XSS) vulnerability in Invoice Edit Page in Bitrix24 22.0.300 allows attackers to execute arbitrary JavaScript code in the victi…EPSS 0.72%9.6CVE-2023-1717Bitrix24 cross-site scripting vulnerabilityPrototype pollution in bitrix/templates/bitrix24/components/bitrix/menu/left_vertical/script.js in Bitrix24 22.0.300 allows remote attackers to execu…EPSS 1.1%8.8CVE-2023-1714Bitrix24 deserialization of untrusted data vulnerabilityUnsafe variable extraction in bitrix/modules/main/classes/general/user_options.php in Bitrix24 22.0.300 allows remote authenticated attackers to exec…EPSS 1.4%8.0CVE-2023-1720Bitrix24 unrestricted file upload vulnerabilityLack of mime type response header in Bitrix24 22.0.300 allows authenticated remote attackers to execute arbitrary JavaScript code in the victim's bro…EPSS 0.85%7.5CVE-2023-1718Bitrix24 vulnerabilityImproper file stream access in /desktop_app/file.ajax.php?action=uploadfile in Bitrix24 22.0.300 allows unauthenticated remote attackers to cause den…EPSS 24%

Source: NIST National Vulnerability Database (record CVE-2023-1713), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.