Public proof of conceptFix available

CVE-2017-16807

Q: Is CVE-2017-16807 actively exploited?

Active exploitation of CVE-2017-16807 has not been confirmed. Its EPSS score was 2.4% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2017-16807?

CVE-2017-16807 has a CVSS v3 base score of 5.4 (MEDIUM severity), with vector string CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

A public proof of concept exists; no exploitation attested.

Published2017-11-13
Fixed in2.5.7 · 2.4.2 · 2.3.3
WeaknessCWE-79

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A cross-site Scripting (XSS) vulnerability in Kirby Panel before 2.3.3, 2.4.x before 2.4.2, and 2.5.x before 2.5.7 exists when displaying a specially prepared SVG document that has been uploaded as a content file.

Timeline

dates in UTC

2017-11-1321:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2017-16807?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2017-16807?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV

Getkirby panel

Branch	Affected	Fixed in	Source
2.5	≥ 2.5.0, < 2.5.7	2.5.7	NVD
2.5	≥ 2.5, < 2.5.7	2.5.7	OSV
2.4	≥ 2.4.0, < 2.4.2	2.4.2	NVD
2.4	≥ 2.4, < 2.4.2	2.4.2	OSV
2.3	< 2.3.3	2.3.3	NVD · OSV

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Getkirby panel to 2.5.7 · 2.4.2 · 2.3.3

Detection

read 2026-10-23 19:23 UTC

Nuclei template: none so far
Exploit-DB: EDB-43140
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.05.4read 2026-10-23
NVDCVSS 2.03.5read 2026-10-23
NVDweakness (CWE)CWE-79read 2026-10-23
FIRST EPSSEPSS score2.4 %2026-10-23
Exploit-DBdetectionread 2026-10-23
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Published: 2017-11-13
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2017-16807?

Is CVE-2017-16807 actively exploited?

Active exploitation of CVE-2017-16807 has not been confirmed. Its EPSS score was 2.4% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2017-16807?

CVE-2017-16807 has a CVSS v3 base score of 5.4 (MEDIUM severity), with vector string CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

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