CVE-2018-25411

MGB OpenSource Guestbook 0.7.0.2 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the 'id' parameter. Attackers can send GET requests to email.php with crafted SQL payloads in the 'id' parameter to extract sensitive database information including table and column names.

CVSS v4.0

8.8 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

8.2 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

EPSS

0.27% chance of exploitation in the next 30 days, 19th percentile

Published

2026-05-30

Updated

2026-06-01

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/45665

References

• CVE Record
• NVD entry

Related

• CVE-2018-25410
• CVE-2018-25412
• CVE-2018-25409
• CVE-2018-25413
• CVE-2018-25408
• CVE-2018-25414