4.3Medium
CVE-2026-90615
A security vulnerability has been detected in SourceCodester Class and Exam Timetabling System 1.0. This affects an unknown part of the file /subject1.php. Such manipulation of the argument subject leads to cross site scripting. The attack can be executed remotely. The exploit has been disclosed publicly and may be used.
What this means for your business
- An attacker can use it remotely, over a network, without a login, but only after tricking someone into an action such as opening a file or a link.
What to do
- 1Ask your IT team or provider whether any of your systems use the affected product.
- 2If you do, follow the vendor's guidance. No patch reference has been published yet.
Not sure if your company is exposed?
Fastnexa’s certified penetration testers can check whether attackers could use this flaw, or others like it, against your websites, apps and network. The full test is free for our first 10 founding clients until 31 December 2026.
Scoring
- CVSS
- 4.3 (v3.1)
- Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N- CVSS v4
- 2.1
- Weakness
- CWE-79
- Assigned by
- cna@vuldb.com
Dates
- Published
- 2026-09-14
- Last modified
- 2026-09-15
- Sources
- NVD