Which versions of Online Examination System are affected by CVE-2026-1421?

CVE-2026-1421 is a low-severity vulnerability in A vulnerability involving cross-site scripting (CVSS 3.5).

Is there a public PoC exploit available for CVE-2026-1421?

Yes, a public proof-of-concept exploit is available for CVE-2026-1421. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-1421?

During next maintenance window: Apply vendor patches when convenient. Verify cross-site scripting controls are in place.

Online Examination System CVE-2026-1421

Q: What is the CVSS score of CVE-2026-1421?

CVE-2026-1421 has a CVSS 4.0 base score of 2.0 (Low). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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. EPSS exploitation probability: 0.0%.

LOW

Cross-site Scripting (XSS) (CWE-79)

2026-01-26 cna@vuldb.com

XSS Online Examination System Fabian

2.0

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

2.0 LOW

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Scope

Lifecycle Timeline

CVSS changed

Apr 29, 2026 - 01:11 NVD

3.5 (LOW) 2.0 (LOW)

Analysis Generated

Mar 12, 2026 - 22:00 vuln.today

PoC Detected

Jan 28, 2026 - 14:24 vuln.today

Public exploit code

CVE Published

Jan 26, 2026 - 06:16 nvd

LOW 3.5

DescriptionCVE.org

A vulnerability has been found in code-projects Online Examination System 1.0. Affected is an unknown function of the component Add Pages. Such manipulation leads to cross site scripting. The attack can be executed remotely. The exploit has been disclosed to the public and may be used.

AnalysisAI

A vulnerability has been found in code-projects Online Examination System 1.0. Affected is an unknown function of the component Add Pages. [CVSS 3.5 LOW]

Technical ContextAI

Classified as CWE-79 (Cross-site Scripting (XSS)). Affects Online Examination System. A vulnerability has been found in code-projects Online Examination System 1.0. Affected is an unknown function of the component Add Pages. Such manipulation leads to cross site scripting. The attack can be executed remotely. The exploit has been disclosed to the public and may be used.

RemediationAI

Monitor vendor advisories for a patch. Implement output encoding and Content Security Policy headers. Restrict network access to the affected service where possible.