How severe is CVE-2023-1661?

CVE-2023-1661 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-1661 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2023-1661?

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

When was CVE-2023-1661 published?

CVE-2023-1661 was published on 2023-05-31 and last updated on 2026-06-17.

CVE-2023-1661

CVE-2023-1661 is a medium-severity vulnerability in Display Post Meta, Term Meta, Comment Meta, And User Meta Project Display Post Meta, Term Meta, Comment Meta, And User Meta with a CVSS 3.x base score of 6.4. 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 6.4)
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Display Post Meta, Term Meta, Comment Meta, And User Meta Project Display Post Meta, Term Meta, Comment Meta, And User Meta
Published: 2023-05-31
Last modified: 2026-06-17

Description

The Display post meta, term meta, comment meta, and user meta plugin for WordPress is vulnerable to Stored Cross-Site Scripting via post metadata in versions up to, and including, 1.0.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Frequently asked questions

What is CVE-2023-1661?: The Display post meta, term meta, comment meta, and user meta plugin for WordPress is vulnerable to Stored Cross-Site Scripting via post metadata in versions up to, and including, 1.0.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
How severe is CVE-2023-1661?: CVE-2023-1661 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-1661 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-1661?: CVE-2023-1661 affects Display Post Meta, Term Meta, Comment Meta, And User Meta Project Display Post Meta, Term Meta, Comment Meta, And User Meta. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-1661?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-1661 published?: CVE-2023-1661 was published on 2023-05-31 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:display_post_meta\,_term_meta\,_comment_meta\,_and_user_meta_project:display_post_meta\,_term_meta\,_comment_meta\,_and_user_meta:*:*:*:*:*:wordpress:*:*

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