How severe is CVE-2022-3909?

CVE-2022-3909 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-2022-3909 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-3909?

CVE-2022-3909 affects Add Comments Project Add Comments. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-3909?

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

When was CVE-2022-3909 published?

CVE-2022-3909 was published on 2022-12-05 and last updated on 2026-06-17.

CVE-2022-3909

CVE-2022-3909 is a medium-severity vulnerability in Add Comments Project Add Comments 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.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Add Comments Project Add Comments
Published: 2022-12-05
Last modified: 2026-06-17

Description

The Add Comments WordPress plugin through 1.0.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

Frequently asked questions

What is CVE-2022-3909?: The Add Comments WordPress plugin through 1.0.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).
How severe is CVE-2022-3909?: CVE-2022-3909 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-2022-3909 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-3909?: CVE-2022-3909 affects Add Comments Project Add Comments. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-3909?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-3909 published?: CVE-2022-3909 was published on 2022-12-05 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/8d57a534-7630-491a-a0fd-90430f85ae78

Affected products (1)

cpe:2.3:a:add_comments_project:add_comments:*:*:*:*:*:wordpress:*:*