CVE-2023-1789 | Improper Input Validation in firefly-iii/firefly-iii

Improper Input Validation in GitHub repository firefly-iii/firefly-iii prior to 6.0.0.

Published: 2023-04-01 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2023-1789 is rated Moderate Risk (53.3/100): CVSS Critical severity, with low exploitation likelihood (EPSS 0.19%). 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-2023-1789

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 2026-04-19 0.29% 0.19% -0.10%
2 2026-04-18 0.19% 0.29% +0.10%
3 2026-04-17 — 0.19% —

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-1789

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.9 [email protected]
5.2 3.0 MEDIUM
CVSS:3.0/AV:L/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
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:H)
They need powerful rights—admin, root, or similar—before this pays off.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:L)
Might cause slowdowns, glitches, or partial disruption—not a full brick.
 1.1 3.7 [email protected]

Weakness enumeration for CVE-2023-1789

GitHub Security Advisory for CVE-2023-1789

GHSA-mwxw-hxvp-4r2r · Severity: medium · Ecosystem: composer — Firefly III vulnerable to improper input validation

Affected software / configurations for CVE-2023-1789

Vendor Product Version Raw CPE
firefly-iii firefly_iii < 5.7.18 cpe:2.3:a:firefly-iii:firefly_iii:*:*:*:*:*:*:*:*
firefly-iii firefly_iii 5.8.0 cpe:2.3:a:firefly-iii:firefly_iii:5.8.0:alpha1:*:*:*:*:*:*
firefly-iii firefly_iii 6.0.0 cpe:2.3:a:firefly-iii:firefly_iii:6.0.0:alpha1:*:*:*:*:*:*
firefly-iii firefly_iii 6.0.0 cpe:2.3:a:firefly-iii:firefly_iii:6.0.0:alpha2:*:*:*:*:*:*
firefly-iii firefly_iii 6.0.0 cpe:2.3:a:firefly-iii:firefly_iii:6.0.0:beta1:*:*:*:*:*:*

References for CVE-2023-1789

cvelogic Threat Intelligence