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CVE-2019-13647

20
FAUCET Score

CVE-2019-13647 is a stored Cross-Site Scripting (XSS) vulnerability affecting Firefly III versions prior to 4.7.17.3, where user-supplied data in image file content is not properly filtered, leading to JavaScript execution when viewing attachments. This medium-severity vulnerability (CVSS 5.4) requires an authenticated attacker with the same access rights as the victim to exploit, impacting confidentiality and integrity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.7.17.3CPE matchmatch criteria
cpe:2.3:a:firefly-iii:firefly_iii:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.4MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.3
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.76%
Probability of exploitation in next 30 days
EPSS Percentile
51.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0076 is in the 86th percentile among its peer group of 15,239 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 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: 4.7.17.3
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-pcxq-28f6-m3fmmedium

Firefly III vulnerable to image-based stored XSS

May 24, 2022

References

github.com / firefly-iii/firefly-iii/compare/a70b7cc...7d482aa
PatchThird Party Advisory
github.com / firefly-iii/firefly-iii/issues/2338
ExploitThird Party Advisory