Firefly III before 4.7.17.3 is vulnerable to reflected XSS due to lack of filtration of…
Priority LOW 26CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-79.
Summary
Firefly III before 4.7.17.3 is vulnerable to reflected XSS due to lack of filtration of user-supplied data in a search query. NOTE: It is asserted that an attacker must have the same access rights as the user in order to be able to execute the vulnerability
Why it matters now
EPSS 0.00762 55th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed grumpydictator/firefly-iii (Packagist): 4.7.17.3
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | grumpydictator/firefly-iii (Packagist) | before 4.7.17.3 | 4.7.17.3 | Patch available | GHSA-mrc2-h7q2-pp97 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- grumpydictator/firefly-iii (Packagist) Vendor— Affected before 4.7.17.3 Fixed in 4.7.17.3 Patch available GHSA-mrc2-h7q2-pp97
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:firefly-iii:firefly_iii:*:*:*:*:*:*:*:* | before 4.7.17.3 | Vulnerable | firefly-iii |
- cpe:2.3:a:firefly-iii:firefly_iii:*:*:*:*:*:*:*:* Versions before 4.7.17.3 Vulnerable ·firefly-iii
Remediation
- Fix · GHSA-mrc2-h7q2-pp97 grumpydictator/firefly-iii (Packagist) Fixed in 4.7.17.3 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2019-13646
- 2026-10-03 Alias added: GHSA-mrc2-h7q2-pp97
References
More firefly-iii Firefly Iii vulnerabilities
- TI-2023-01681 Improper Input Validation in firefly-iii/firefly-iii CVSS 3.1CRITICAL 9.8
- TI-2023-01680 Insufficient Session Expiration in firefly-iii/firefly-iii CVSS 3.1CRITICAL 9.8
- TI-2023-00283 Incorrect Authorization in firefly-iii/firefly-iii CVSS 3.1MEDIUM 6.5
- TI-2019-10251 Firefly III before 4.7.17.1 is vulnerable to stored XSS due to lack of filtration of… CVSS 3.1MEDIUM 5.4
- TI-2021-02811 Cross-Site Request Forgery (CSRF) in firefly-iii/firefly-iii CVSS 3.1HIGH 8.8
- TI-2021-02777 Unrestricted Upload of File with Dangerous Type in firefly-iii/firefly-iii CVSS 3.1HIGH 8.8
Sources
- CVE-2019-13646 · CVE Program
- CVE-2019-13646 · NVD
- FIRST EPSS
- GHSA-mrc2-h7q2-pp97 · GitHub Advisory Database · CC BY 4.0
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