CVE-2020-13487

Name: CVE-2020-13487
Creator: NVD / NIST
Published: 2020-05-26T14:15:13.767+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.8/10EPSS 1.39%

Last modified Jun 17, 2026

CVE-2020-13487 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. The bbPress plugin through 2.6.4 for WordPress has stored XSS in the Forum creation section, resulting in JavaScript execution at wp-admin/edit.php?post_type=forum (aka the Forum listing page) for all users. An administrator can exploit this at the wp-admin/post.php?action=edit URI.. EPSS estimates a 1.39% chance of exploitation in the next 30 days.

Description

The bbPress plugin through 2.6.4 for WordPress has stored XSS in the Forum creation section, resulting in JavaScript execution at wp-admin/edit.php?post_type=forum (aka the Forum listing page) for all users. An administrator can exploit this at the wp-admin/post.php?action=edit URI.

Metrics

CVSS 3.1

4.8/10

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

EPSS Probability

1.39%

68.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Bbpress	Bbpress	<= 2.6.4

References

https://bbpress.org/Vendor Advisory
https://codex.bbpress.org/releases/Vendor Advisory
https://wordpress.org/plugins/bbpress/#developersThird Party Advisory
https://www.youtube.com/watch?v=3rXP8CGTe08Exploit, Third Party Advisory
https://bbpress.org/Vendor Advisory
https://codex.bbpress.org/releases/Vendor Advisory
https://wordpress.org/plugins/bbpress/#developersThird Party Advisory
https://www.youtube.com/watch?v=3rXP8CGTe08Exploit, Third Party Advisory

Timeline

Published: May 26, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-13487?

How severe is CVE-2020-13487?

CVE-2020-13487 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 1.39% probability of exploitation in the next 30 days.

How do I fix CVE-2020-13487?

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-2020-13487?

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

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Source: NVD / NIST