CVE-2020-13640

A SQL injection issue in the gVectors wpDiscuz plugin 5.3.5 and earlier for WordPress remote...

9.8 CriticalPublic exploit

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.)

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

15.1%Up 8.5 points since Apr 14, 2021

What each source reports

NVD Score used 9.8

Record: CVE-2020-13640
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-89
Updated: 2026-11-02

CVE List No score

Record: CVE-2020-13640
Updated: 2026-11-02

EUVDEUVD-2020-5882 No score

Record: EUVD-2020-5882
Updated: 2026-11-03

GitHub AdvisoriesGHSA-p3wm-3hr8-rqrv 9.8

A SQL injection issue in the gVectors wpDiscuz plugin 5.3.5 and earlier for WordPress remote...

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

Record: GHSA-p3wm-3hr8-rqrv
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-89
Updated: 2026-11-02

Affected products

gvectors wpdiscuz

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Nuclei	wpDiscuz <= 5.3.5 - SQL Injection
PoC in GitHub	asterite3/CVE-2020-13640	2020-07-05

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, Nuclei, NVD, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-13640 is a critical vulnerability (CVSS 9.8) in Gvectors Wpdiscuz, published June 18, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 15.1%, the 96th percentile. No source names a fixed version.