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Cyber Security Agency of Singapore
Alerts

Active Exploitation of High-Severity Vulnerability in WordPress

24 September 2026

Attackers are exploiting a high-severity vulnerability in WordPress to achieve remote code execution under specific conditions. Patch immediately.

Background

WordPress has released security updates to address a high-severity vulnerability (CVE-2026-87902) affecting WordPress. This vulnerability has a Common Vulnerability Scoring System (CVSS v3.1) score of 8.1 out of 10.

Impact

Successful exploitation of the local file inclusion vulnerability could allow an unauthenticated attacker to include arbitrary code from a local PHP file. If specific server and active theme conditions are met, successful exploitation could lead to remote code execution.

Known Exploitation

This vulnerability is reportedly being actively exploited, and a proof-of-concept exploit is publicly available.

Affected Products

The vulnerability affects WordPress versions prior to 7.1.2.

Recommendations

Users and administrators of affected products are advised to update to the latest versions immediately.

References

https://wordpress.org/documentation/wordpress-version/version-7-1-2/ (opens in new tab)

https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-7hp8-65ch-5whp (opens in new tab)

https://patchstack.com/articles/cve-2026-87902-attackers-started-probing-wordpress-sites-hours-after-the-patch/ (opens in new tab)

https://www.bleepingcomputer.com/news/security/hackers-start-exploiting-critical-wordpress-flaw-for-code-execution/ (opens in new tab)

https://nvd.nist.gov/vuln/detail/CVE-2026-87902 (opens in new tab)

https://github.com/dinosn/cve-2026-87902-wordpress-lfi-lab (opens in new tab)