CVE-2019-17550

Name: CVE-2019-17550
Creator: NVD / NIST
Published: 2019-11-13T21:15:12.103+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.34%

Last modified Jun 17, 2026

CVE-2019-17550 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. The Blog2Social plugin before 5.9.0 for WordPress is affected by: Cross Site Scripting (XSS). The impact is: Allows an attacker to execute arbitrary HTML and JavaScript code via the b2s_id parameter. EPSS estimates a 1.34% chance of exploitation in the next 30 days.

Description

The Blog2Social plugin before 5.9.0 for WordPress is affected by: Cross Site Scripting (XSS). The impact is: Allows an attacker to execute arbitrary HTML and JavaScript code via the b2s_id parameter. The component is: views/b2s/post.calendar.php. The attack vector is: When the Administrator is logged in, a reflected XSS may execute upon a click on a malicious URL.

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

1.34%

67.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Adenion	Blog2social	< 5.9.0

References

https://plugins.trac.wordpress.org/changeset/2186043Patch, Third Party Advisory
https://plugins.trac.wordpress.org/log/blog2social/Third Party Advisory
https://wordpress.org/plugins/blog2social/#developersProduct, Third Party Advisory
https://wpvulndb.com/vulnerabilities/9948Third Party Advisory
https://plugins.trac.wordpress.org/changeset/2186043Patch, Third Party Advisory
https://plugins.trac.wordpress.org/log/blog2social/Third Party Advisory
https://wordpress.org/plugins/blog2social/#developersProduct, Third Party Advisory
https://wpvulndb.com/vulnerabilities/9948Third Party Advisory

Timeline

Published: Nov 13, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-17550?

How severe is CVE-2019-17550?

CVE-2019-17550 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.34% probability of exploitation in the next 30 days.

How do I fix CVE-2019-17550?

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-2019-17550?

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

Scan your code now

Source: NVD / NIST