How severe is CVE-2020-25033?

CVE-2020-25033 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-25033 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-25033?

CVE-2020-25033 affects Blubrry Subscribe Sidebar. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-25033?

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

When was CVE-2020-25033 published?

CVE-2020-25033 was published on 2020-08-31 and last updated on 2026-06-17.

CVE-2020-25033

CVE-2020-25033 is a medium-severity vulnerability in Blubrry Subscribe Sidebar with a CVSS 3.x base score of 6.1. 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 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Blubrry Subscribe Sidebar
Published: 2020-08-31
Last modified: 2026-06-17

Description

The Blubrry subscribe-sidebar (aka Subscribe Sidebar) plugin 1.3.1 for WordPress allows subscribe_sidebar.php&status= reflected XSS.

Frequently asked questions

What is CVE-2020-25033?: The Blubrry subscribe-sidebar (aka Subscribe Sidebar) plugin 1.3.1 for WordPress allows subscribe_sidebar.php&status= reflected XSS.
How severe is CVE-2020-25033?: CVE-2020-25033 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-25033 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-25033?: CVE-2020-25033 affects Blubrry Subscribe Sidebar. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-25033?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-25033 published?: CVE-2020-25033 was published on 2020-08-31 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:blubrry:subscribe_sidebar:1.3.1:*:*:*:*:wordpress:*:*

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