CVE-2020-13640 — A SQL injection issue in the gVectors wpDiscuz plugin 5

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.)

01What is this vulnerability?

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.)

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2020-06-18T14:34:05.000Z
• Last modified: 2024-08-04T12:25:16.263Z

09References

• wordpress.org — https://wordpress.org/plugins/wpdiscuz/#developers
• wpdiscuz.com — https://wpdiscuz.com/community/news/security-vulnerability-issue-in-5-3-5-please…
• plugins.trac.wordpress.org — https://plugins.trac.wordpress.org/changeset/2323200
• plugins.trac.wordpress.org — https://plugins.trac.wordpress.org/browser/wpdiscuz/tags/5.3.6
• www.openwall.com — http://www.openwall.com/lists/oss-security/2020/07/06/1