sermsak

sermsak is a security researcher credited with 5 disclosed vulnerabilities in the WordSec WordPress vulnerability database, ranked #824 of 3,984 contributors. The disclosure was published in 2026.

Their research concentrates on Improper Limitation Of A Pathname To A Restricted Directory, which accounts for 1 of their findings (20%). Other recurring categories include Improper Neutralization Of Input During Web Page Generation, Improper Neutralization Of Special Elements Used In An SQL Command. The average CVSS score across these disclosures is 7.8, peaking at 9.8. Severity breakdown: 1 critical and 2 high.

The most affected software includes Contact Manager (1), eesy_ID2WP (1), Majestic Support (1), across 5 distinct plugins, themes and core versions in total.

3 of the 5 disclosed issues have a vendor fix, while 2 remain unpatched. The most severe finding, "Contact Manager <= 9.1.2 - Unauthenticated Arbitrary File Upload via Trailing-Dot Filename Blacklist Bypass", scores 9.8 out of 10.