sungbyeongchan

sungbyeongchan is a security researcher credited with 17 disclosed vulnerabilities in the WordSec WordPress vulnerability database, ranked #321 of 3,823 contributors. The disclosure was published in 2026.

Their research concentrates on Missing Authorization, which accounts for 10 of their findings (59%). Other recurring categories include Cross-Site Scripting, Authorization Bypass Through User-Controlled Key. The average CVSS score across these disclosures is 5.2, peaking at 7.5. Severity breakdown: 0 critical and 1 high.

The most affected software includes Booking and Rental Manager for Bike (2), Event Booking Manager for WooCommerce (2), Advanced Partial Payment or Deposit… (1), across 15 distinct plugins, themes and core versions in total.

All 17 disclosed issues have since received a vendor fix.

2026
Critical
High
Medium
Low
Global Rank

#321

of 3,823 researchers

Vulns

17

Critical0
High1
Medium16
Low0
Affected Assets

15

15plugins
Avg CVSS

5.2

Average score of vulnerabilities

Researcher Submissions

17 records
2026-10-08 00:00CVE-2026-105878
5.3
Medium
sungbyeongchanYes
2026-10-05 00:00CVE-2026-104401
4.3
Medium
sungbyeongchanYes
2026-10-04 00:00CVE-2026-95589
4.3
Medium
sungbyeongchanYes
2026-09-29 07:14CVE-2026-96822
7.5
High
sungbyeongchanYes
2026-09-24 00:00CVE-2026-97079
4.3
Medium
sungbyeongchanYes
2026-09-10 00:00CVE-2026-62138
6.4
Medium
sungbyeongchanYes
2026-09-10 00:00CVE-2026-62136
5.3
Medium
sungbyeongchanYes
2026-09-04 00:00CVE-2026-85311
4.3
Medium
sungbyeongchanYes
2026-09-03 00:00CVE-2026-84769
5.3
Medium
sungbyeongchanYes
2026-09-03 00:00CVE-2026-84767
5.3
Medium
sungbyeongchanYes
Showing 1–10 of 17 reports

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