How severe is CVE-2020-13487?

CVE-2020-13487 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-13487 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-13487?

CVE-2020-13487 affects Bbpress. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-13487?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-13487 published?

CVE-2020-13487 was published on 2020-05-26 and last updated on 2026-06-17.

CVE-2020-13487

CVE-2020-13487 is a medium-severity vulnerability in Bbpress with a CVSS 3.x base score of 4.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
CVSS v2: 3.5
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Bbpress
Published: 2020-05-26
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2020-13487?: 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.
How severe is CVE-2020-13487?: CVE-2020-13487 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-13487 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-13487?: CVE-2020-13487 affects Bbpress. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-13487?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-13487 published?: CVE-2020-13487 was published on 2020-05-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:bbpress:bbpress:*:*:*:*:*:wordpress:*:*

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