CVE-2021-24180
CVE-2021-24180 is a medium-severity vulnerability in Never5 Related Posts with a CVSS 3.x base score of 5.4. 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 5.4)
- CVSS v2: 3.5
- EPSS exploit prediction: 1% (46th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Never5 Related Posts
- Published:
- Last modified:
Description
Unvalidated input and lack of output encoding within the Related Posts for WordPress plugin before 2.0.4 lead to a Reflected Cross-Site Scripting (XSS) vulnerability within the 'lang' GET parameter while editing a post, triggered when users with the capability of editing posts access a malicious URL.
Frequently asked questions
- What is CVE-2021-24180?
- Unvalidated input and lack of output encoding within the Related Posts for WordPress plugin before 2.0.4 lead to a Reflected Cross-Site Scripting (XSS) vulnerability within the 'lang' GET parameter while editing a post, triggered when users with the capability of editing posts access a malicious URL.
- How severe is CVE-2021-24180?
- CVE-2021-24180 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2021-24180 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-24180?
- CVE-2021-24180 affects Never5 Related Posts. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-24180?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-24180 published?
- CVE-2021-24180 was published on 2021-04-05 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:never5:related_posts:*:*:*:*:*:wordpress:*:*
More vulnerabilities in Never5 Related Posts
- CVE-2015-9361 — Medium (CVSS 6.1): The Related Posts plugin before 1.8.2 for WordPress has XSS via add_query_arg() and remove_query_arg().
- CVE-2024-0592 — Medium (CVSS 5.4): The Related Posts for WordPress plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to,…
- CVE-2022-3506 — Medium (CVSS 5.4): Cross-site Scripting (XSS) - Stored in GitHub repository barrykooij/related-posts-for-wp prior to 2.1.3.
- CVE-2021-24482 — Medium (CVSS 4.8): The Related Posts for WordPress plugin through 2.0.4 does not sanitise its heading_text and CSS settings, allowing high…
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