CVE-2017-9546

admin.php in BigTree through 4.2.18 allows remote authenticated users to cause a denial of service (inability to save revisions) via XSS sequences in a revision name.

Published: 2017-06-12 Last update: 2026-05-13 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2017-9546 is rated Moderate Risk (42.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.36%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2017-9546

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-17 0.10% 0.36% +0.26%
2 2023-03-07 1.05% 0.10% -0.96%
3 2022-02-04 1.05%

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2017-9546

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.7 3.0 MEDIUM
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
2.1 3.6 [email protected]
3.5 2.0 LOW
AV:N/AC:M/Au:S/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
6.8 2.9 [email protected]

Weakness enumeration for CVE-2017-9546

Affected software / configurations for CVE-2017-9546

Vendor Product Version Raw CPE
bigtreecms bigtree_cms <= 4.2.18 cpe:2.3:a:bigtreecms:bigtree_cms:*:*:*:*:*:*:*:*

References for CVE-2017-9546

URL Tags
https://github.com/bigtreecms/BigTree-CMS/issues/298 Issue Tracking Patch Third Party Advisory
cvelogic Threat Intelligence