CVE-2020-13640

Name: CVE-2020-13640
Creator: NVD / NIST
Published: 2020-06-18T15:15:10.29+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 12.71%

Last modified Jun 17, 2026

CVE-2020-13640 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A SQL injection issue in the gVectors wpDiscuz plugin 5.3.5 and earlier for WordPress allows remote attackers to execute arbitrary SQL commands via the order parameter of a wpdLoadMoreComments request. (No 7.x versions are affected.). EPSS estimates a 12.71% chance of exploitation in the next 30 days.

Description

A SQL injection issue in the gVectors wpDiscuz plugin 5.3.5 and earlier for WordPress allows remote attackers to execute arbitrary SQL commands via the order parameter of a wpdLoadMoreComments request. (No 7.x versions are affected.)

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

12.71%

95.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-89

Affected Software

Vendor	Product	Versions
Gvectors	Wpdiscuz	<= 5.3.5

References

http://www.openwall.com/lists/oss-security/2020/07/06/1Exploit, Mailing List, Third Party Advisory
https://plugins.trac.wordpress.org/browser/wpdiscuz/tags/5.3.6Third Party Advisory
https://plugins.trac.wordpress.org/changeset/2323200Third Party Advisory
https://wordpress.org/plugins/wpdiscuz/#developersRelease Notes, Third Party Advisory
https://wpdiscuz.com/community/news/security-vulnerability-issue-in-5-3-5-please-udate/Patch, Vendor Advisory
http://www.openwall.com/lists/oss-security/2020/07/06/1Exploit, Mailing List, Third Party Advisory
https://plugins.trac.wordpress.org/browser/wpdiscuz/tags/5.3.6Third Party Advisory
https://plugins.trac.wordpress.org/changeset/2323200Third Party Advisory
https://wordpress.org/plugins/wpdiscuz/#developersRelease Notes, Third Party Advisory
https://wpdiscuz.com/community/news/security-vulnerability-issue-in-5-3-5-please-udate/Patch, Vendor Advisory

Timeline

Published: Jun 18, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-13640?

How severe is CVE-2020-13640?

CVE-2020-13640 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 12.71% probability of exploitation in the next 30 days.

How do I fix CVE-2020-13640?

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-2020-13640?

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

Scan your code now

Source: NVD / NIST