CVE-2021-24956

Name: CVE-2021-24956
Creator: NVD / NIST
Published: 2021-12-21T09:15:07.24+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.67%

Last modified Jun 17, 2026

CVE-2021-24956 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. The Blog2Social: Social Media Auto Post & Scheduler WordPress plugin before 6.8.7 does not sanitise and escape the b2sShowByDate parameter before outputting it back in an admin page, leading to a Reflected Cross-Site Scripting issue. EPSS estimates a 1.67% chance of exploitation in the next 30 days.

Description

The Blog2Social: Social Media Auto Post & Scheduler WordPress plugin before 6.8.7 does not sanitise and escape the b2sShowByDate parameter before outputting it back in an admin page, leading to a Reflected Cross-Site Scripting issue

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

1.67%

73.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Adenion	Blog2social	< 6.8.7

References

https://wpscan.com/vulnerability/5882ea89-f463-4f0b-a624-150bbaf967c2Exploit, Third Party Advisory
https://wpscan.com/vulnerability/5882ea89-f463-4f0b-a624-150bbaf967c2Exploit, Third Party Advisory

Timeline

Published: Dec 21, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24956?

How severe is CVE-2021-24956?

CVE-2021-24956 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.67% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24956?

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-2021-24956?

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

Scan your code now

Source: NVD / NIST