CVE-2023-3936 — The Blog2Social WordPress plugin before 7

The Blog2Social WordPress plugin before 7.2.1 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin

01What is this vulnerability?

The Blog2Social WordPress plugin before 7.2.1 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin

02Affected products

Vendor	Product	Versions
Unknown	Blog2Social: Social Media Auto Post & Scheduler	7.1.0

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

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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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: 2023-08-21T12:29:49.665Z
• Last modified: 2025-04-23T16:19:26.930Z

09References

• wpscan.com — https://wpscan.com/vulnerability/6d09a5d3-046d-47ef-86b4-c024ea09dc0f