code-projects Online Reviewer System btn_functions.php cross site scripting

published 2026-03-27 7 mo ago modified 2026-10-26 14 d ago also EUVD-2026-16805

cvss: 2.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 11%
public exploits: 0; none known

A security vulnerability has been detected in code-projects Online Reviewer System up to 1.0. Affected is an unknown function of the file /system/system/students/assessments/databank/btn_functions.php. Such manipulation of the argument Description leads to cross site scripting. The attack may be performed from remote. The exploit has been disclosed publicly and may be used.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 7 mo ago (2026-03-27)

Exploit prediction

0.21% chance of exploitation in the next 30 days, higher than 11% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/ahmadmarz10-hub/CVEsMarz/blob/main/Stored%20Cross-Site%20Scripting%20(XSS)%20in%20Online%20Reviewer%20System%20PHP%20description%20Parameter.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	4.8	CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
CNA	3.1	2.4	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
CNA	3.0	2.4	CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
CNA	2.0	3.3	AV:N/AC:L/Au:M/C:N/I:P/A:N/E:POC/RL:ND/RC:UR
CNA	4.0	1.9	CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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
CNA	3.1	2.4	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N
CNA	2.0	3.3	AV:N/AC:L/Au:M/C:N/I:P/A:N

Affected products

code-projects Online Reviewer System

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation
CWE-94 Improper Control of Generation of Code

References

github.com /ahmadmarz10-hub/CVEsMarz/blob/main/Stored%20Cross-Site%20Scripting%20(XSS)%20in%20Online%20Reviewer%20System%
exploit
vuldb.com /?id.353859
vdb-entry, technical-description
vuldb.com /?ctiid.353859
signature, permissions-required
vuldb.com /?submit.778031
third-party-advisory
code-projects.org /
product

Sources

CVE List CVE-2026-4972
NVD CVE-2026-4972

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary