CVE-2017-16903 — LvyeCMS through 3.1 allows remote attackers to upload and execute arbitrary PHP code via directory traversal sequences in the dir parameter, in conjunction with PHP code in the content parameter, within a template Style add request to index.php

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CRITICAL

LvyeCMS through 3.1 allows remote attackers to upload and execute arbitrary PHP code via directory traversal sequences in the dir parameter, in conjunction with PHP code in the content parameter, within a template Style add request to index.php

Published Nov 20, 2017

9.8

CRITICAL

CVSS 3.0

EPSS 2.05%

Description

LvyeCMS through 3.1 allows remote attackers to upload and execute arbitrary PHP code via directory traversal sequences in the dir parameter, in conjunction with PHP code in the content parameter, within a template Style add request to index.php.

Affected products

Remediation

No remediation recorded yet.

Metrics

2.05% 0.02049

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.02049

Score over time

2021–2026

EPSS v1
EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v1
EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (14 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	2.05% (0.02049)	80.51th	v5 (v2026.06.15)
Jun 15, 2026	2.05% (0.02049)	78.65th	v5 (v2026.06.15)
Mar 17, 2025	1.07% (0.01071)	76.20th	v4 (v2025.03.14)
Dec 17, 2024	1.58% (0.01577)	86.94th	v3 (v2023.03.01)
May 8, 2024	1.52% (0.01519)	86.94th	v3 (v2023.03.01)
Mar 7, 2023	1.52% (0.01519)	84.93th	v3 (v2023.03.01)
Mar 6, 2023	1.05% (0.01055)	52.13th	v2 (v2022.01.01)
Sep 17, 2022	1.05% (0.01055)	50.47th	v2 (v2022.01.01)
Apr 1, 2022	1.05% (0.01055)	48.43th	v2 (v2022.01.01)
Feb 4, 2022	1.05% (0.01055)	27.52th	v2 (v2022.01.01)
Feb 3, 2022	0.52% (0.00523)	12.55th	v1
Jan 6, 2022	0.52% (0.00523)	12.10th	v1
Sep 1, 2021	0.52% (0.00523)	32.27th	v1
Apr 14, 2021	0.52% (0.00523)	0.00th	v1

Weaknesses (1)

CWE-22

Path Traversal

References (1)

https://github.com/SQYY/CVE/blob/master/Lvyecms_G.txt
x_refsource_MISCExploit

Link	Providers	Tags
https://github.com/SQYY/CVE/blob/master/Lvyecms_G.txt		x_refsource_MISCExploit

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Nov 20, 2017

Updated Aug 5, 2024

Reserved Nov 20, 2017

Link CVE-2017-16903

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2017-16903

Red Hat

Severity n/a

Public date n/a

Links CVE-2017-16903