CVE-2023-2023
CVE-2023-2023 is a medium-severity vulnerability in Kunalnagar Custom 404 Pro 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)
- EPSS exploit prediction: 2% (75th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Kunalnagar Custom 404 Pro
- Published:
- Last modified:
Description
The Custom 404 Pro WordPress plugin before 3.7.3 does not escape some URLs before outputting them in attributes, leading to Reflected Cross-Site Scripting.
Frequently asked questions
- What is CVE-2023-2023?
- The Custom 404 Pro WordPress plugin before 3.7.3 does not escape some URLs before outputting them in attributes, leading to Reflected Cross-Site Scripting.
- How severe is CVE-2023-2023?
- CVE-2023-2023 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-2023-2023 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-2023?
- CVE-2023-2023 affects Kunalnagar Custom 404 Pro. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-2023?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-2023 published?
- CVE-2023-2023 was published on 2023-05-30 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:kunalnagar:custom_404_pro:*:*:*:*:*:wordpress:*:*
More vulnerabilities in Kunalnagar Custom 404 Pro
- CVE-2023-2032 — Critical (CVSS 9.8): The Custom 404 Pro WordPress plugin before 3.8.1 does not properly sanitize database inputs, leading to multiple SQL…
- CVE-2024-39646 — High (CVSS 7.1): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Kunal Custom 404…
- CVE-2023-51540 — High (CVSS 7.1): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Kunal Nagar…
- CVE-2022-47605 — Medium (CVSS 6.4): Auth. SQL Injection') vulnerability in Kunal Nagar Custom 404 Pro plugin <= 3.7.0 versions.
- CVE-2019-15838 — Medium (CVSS 6.1): The custom-404-pro plugin before 3.2.8 for WordPress has reflected XSS, a different vulnerability than CVE-2019-14789.
- CVE-2019-14789 — Medium (CVSS 6.1): The Custom 404 Pro plugin 3.2.8 for WordPress has XSS via the wp-admin/admin.php?page=c4p-main page parameter.
All CVEs affecting Kunalnagar Custom 404 Pro →
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