Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2020-13640

46
FAUCET Score

CVE-2020-13640 is a critical SQL injection vulnerability affecting gVectors wpDiscuz plugin versions 5.3.5 and earlier for WordPress, allowing remote attackers to execute arbitrary SQL commands. With a CVSS score of 9.8 (CRITICAL), this vulnerability is easily exploitable over the network with no user interaction, leading to complete compromise of confidentiality, integrity, and availability. While not on CISA's KEV catalog, exploit code is publicly available via Nuclei templates and GitHub, and it has garnered community discussion, indicating awareness and potential for exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
<= 5.3.5CPE matchmatch criteria
cpe:2.3:a:gvectors:wpdiscuz:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
12.71%
Probability of exploitation in next 30 days
EPSS Percentile
95.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2020-13640 · Sep 16, 2025
This CVE's current EPSS score of 0.1271 is in the 92nd percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

plugins.trac.wordpress.org / browser/wpdiscuz/tags/5.3.6
Third Party Advisory
plugins.trac.wordpress.org / changeset/2323200
Third Party Advisory
wordpress.org / plugins/wpdiscuz
Release NotesThird Party Advisory
wpdiscuz.com / community/news/security-vulnerability-issue-in-5-3-5-please-udate
PatchVendor Advisory
openwall.com / lists/oss-security/2020/07/06/1
ExploitMailing ListThird Party Advisory