CVE-2021-39327

Name: CVE-2021-39327
Creator: NVD / NIST
Published: 2021-09-17T11:15:08.647+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 72.33%

Last modified Jun 17, 2026

CVE-2021-39327 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. The BulletProof Security WordPress plugin is vulnerable to sensitive information disclosure due to a file path disclosure in the publicly accessible ~/db_backup_log.txt file which grants attackers the full path of the site, in addition to the path of database backup files. This affects versions up to, and including, 5.1.. EPSS estimates a 72.33% chance of exploitation in the next 30 days.

Description

The BulletProof Security WordPress plugin is vulnerable to sensitive information disclosure due to a file path disclosure in the publicly accessible ~/db_backup_log.txt file which grants attackers the full path of the site, in addition to the path of database backup files. This affects versions up to, and including, 5.1.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

72.33%

99.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Ait-Pro	Bulletproof Security	<= 5.1

References

http://packetstormsecurity.com/files/164420/WordPress-BulletProof-Security-5.1-Information-Disclosure.htmlExploit, Third Party Advisory, VDB Entry
https://github.com/Hacker5preme/Exploits/tree/main/Wordpress/CVE-2021-39327Exploit, Third Party Advisory
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2591118%40bulletproof-security&new=2591118%40bulletproof-security&sfp_email=&sfph_mail=Patch, Third Party Advisory
https://www.exploit-db.com/exploits/50382Exploit, Third Party Advisory, VDB Entry
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39327Third Party Advisory
http://packetstormsecurity.com/files/164420/WordPress-BulletProof-Security-5.1-Information-Disclosure.htmlExploit, Third Party Advisory, VDB Entry
https://github.com/Hacker5preme/Exploits/tree/main/Wordpress/CVE-2021-39327Exploit, Third Party Advisory
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2591118%40bulletproof-security&new=2591118%40bulletproof-security&sfp_email=&sfph_mail=Patch, Third Party Advisory
https://www.exploit-db.com/exploits/50382Exploit, Third Party Advisory, VDB Entry
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39327Third Party Advisory

Timeline

Published: Sep 17, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-39327?

How severe is CVE-2021-39327?

CVE-2021-39327 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 72.33% probability of exploitation in the next 30 days.

How do I fix CVE-2021-39327?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-39327?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST