GreenCMS Menu Management CustomController.class.php cross site scripting

published 2025-12-08 11 mo ago modified 2026-10-15 24 d ago also EUVD-2025-201704

cvss: 2.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 22%
public exploits: 0; none known

A flaw has been found in GreenCMS 2.3.0603. Affected by this issue is some unknown functionality of the file /Admin/Controller/CustomController.class.php of the component Menu Management Page. This manipulation of the argument Link causes cross site scripting. The attack may be initiated remotely. The exploit has been published and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 11 mo ago (2025-12-08)

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

gist.github.com https://gist.github.com/b1uel0n3/83f9965b3499a2abfee30c77458f718a 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
NVD	3.1	4.8	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CNA	2.0	3.3	AV:N/AC:L/Au:M/C:N/I:P/A:N

Affected products

n/a GreenCMS

Classification

Weakness

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

References

gist.github.com /b1uel0n3/83f9965b3499a2abfee30c77458f718a
exploit, third-party-advisory
vuldb.com /?id.334754
vdb-entry, technical-description, third-party-advisory
vuldb.com /?ctiid.334754
signature, permissions-required, vdb-entry
vuldb.com /?submit.702435
third-party-advisory, vdb-entry

Sources

CVE List CVE-2025-14244
NVD CVE-2025-14244

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