CVE-2026-78054

A weakness has been identified in SourceCodester Class and Exam Timetabling System 1.0. Affected is an unknown function of the file /BSIS1.php. Executing a manipulation of the argument course can lead to cross site scripting. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.

CVSS v4.0

2.1 LOWCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/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

4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

CVSS v2.0

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N

EPSS

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

Published

2026-08-23

Updated

2026-08-26

Proof-of-concept exploits (1)

• i-QvQ-i/first-OvO/issues/10

References

• CVE Record
• NVD entry

Related

• CVE-2026-75077
• CVE-2026-75078
• CVE-2026-75079
• CVE-2026-75080
• CVE-2026-78055
• CVE-2026-78059