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CVE-2023-1788

29
FAUCET Score

CVE-2023-1788 describes an Insufficient Session Expiration vulnerability in Firefly III versions prior to 6. This critical flaw, with a CVSS score of 9.8, allows unauthenticated attackers to achieve full compromise (confidentiality, integrity, and availability) due to a lack of proper session invalidation. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 6.0.0CPE matchmatch criteria
cpe:2.3:a:firefly-iii:firefly_iii:*:*:*:*:*:*:*:*
6.0.0CPE matchmatch criteria
cpe:2.3:a:firefly-iii:firefly_iii:6.0.0:alpha1:*:*:*:*:*:*
6.0.0CPE matchmatch criteria
cpe:2.3:a:firefly-iii:firefly_iii:6.0.0:alpha2:*:*:*:*:*:*
6.0.0CPE matchmatch criteria
cpe:2.3:a:firefly-iii:firefly_iii:6.0.0:beta1:*:*:*:*:*:*
6.0.0CPE matchmatch criteria
cpe:2.3:a:firefly-iii:firefly_iii:6.0.0:beta2:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.4MEDIUM

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.5
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.44%
Probability of exploitation in next 30 days
EPSS Percentile
35.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0044 is in the 13th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

composerpatch availablevia ghsa
Product: grumpydictator/firefly-iiiFixed in: 6.0.0
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-h7vv-46p5-prmhmedium

Firefly III insufficiently expires sessions

Apr 5, 2023

References

github.com / firefly-iii/firefly-iii/commit/68f398f97cbe1870fc098d8460bf903b9c3fab30
Patch
huntr.dev / bounties/79323c9e-e0e5-48ef-bd19-d0b09587ccb2
Permissions Required