How severe is CVE-2023-1373?

CVE-2023-1373 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-2023-1373 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-1373?

CVE-2023-1373 affects W4 Post List Project W4 Post List. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-1373?

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

When was CVE-2023-1373 published?

CVE-2023-1373 was published on 2023-04-17 and last updated on 2026-06-17.

CVE-2023-1373

CVE-2023-1373 is a medium-severity vulnerability in W4 Post List Project W4 Post List 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.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: W4 Post List Project W4 Post List
Published: 2023-04-17
Last modified: 2026-06-17

Description

The W4 Post List WordPress plugin before 2.4.6 does not escape some URLs before outputting them in attributes, leading to Reflected Cross-Site Scripting

Frequently asked questions

What is CVE-2023-1373?: The W4 Post List WordPress plugin before 2.4.6 does not escape some URLs before outputting them in attributes, leading to Reflected Cross-Site Scripting
How severe is CVE-2023-1373?: CVE-2023-1373 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-2023-1373 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-1373?: CVE-2023-1373 affects W4 Post List Project W4 Post List. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-1373?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-1373 published?: CVE-2023-1373 was published on 2023-04-17 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/fa38f3e6-e04c-467c-969b-0f6736087589

Affected products (1)

cpe:2.3:a:w4_post_list_project:w4_post_list:*:*:*:*:*:wordpress:*:*