CVE-2021-24545
CVE-2021-24545 is a medium-severity vulnerability in Wp Html Author Bio Project Wp Html Author Bio 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: 2% (75th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Wp Html Author Bio Project Wp Html Author Bio
- Published:
- Last modified:
Description
The WP HTML Author Bio WordPress plugin through 1.2.0 does not sanitise the HTML allowed in the Bio of users, allowing them to use malicious JavaScript code, which will be executed when anyone visit a post in the frontend made by such user. As a result, user with a role as low as author could perform Cross-Site Scripting attacks against users, which could potentially lead to privilege escalation when an admin view the related post/s.
Frequently asked questions
- What is CVE-2021-24545?
- The WP HTML Author Bio WordPress plugin through 1.2.0 does not sanitise the HTML allowed in the Bio of users, allowing them to use malicious JavaScript code, which will be executed when anyone visit a post in the frontend made by such user. As a result, user with a role as low as author could perform Cross-Site Scripting attacks against users, which could potentially lead to privilege escalation when an admin view the related post/s.
- How severe is CVE-2021-24545?
- CVE-2021-24545 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-2021-24545 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-2021-24545?
- CVE-2021-24545 affects Wp Html Author Bio Project Wp Html Author Bio. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-24545?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-24545 published?
- CVE-2021-24545 was published on 2021-10-11 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:wp_html_author_bio_project:wp_html_author_bio:*:*:*:*:*:wordpress:*:*
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