CVE-2017-16807

MEDIUMNVD 5.45.4—Weaponized

5.4

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.

CVSS v3: 5.4
EG Score: 5.4(medium)
EPSS: 32.0%
KEV: Not listed

Published

November 13, 2017

Last Modified

May 13, 2026

References (6)

cve@mitrehttps://getkirby.com/changelog/kirby-2-5-7
cve@mitrehttps://packetstormsecurity.com/files/144965/KirbyCMS-Cross-Site-Scripting.html
cve@mitrehttps://www.exploit-db.com/exploits/43140/
af854a3a-2127-422b-91ae-364da2661108https://getkirby.com/changelog/kirby-2-5-7
af854a3a-2127-422b-91ae-364da2661108https://packetstormsecurity.com/files/144965/KirbyCMS-Cross-Site-Scripting.html
af854a3a-2127-422b-91ae-364da2661108https://www.exploit-db.com/exploits/43140/

Affected Packages

(1 across 1 ecosystem)

Packagist(1)

Package	Vulnerable range	Fixed in	Dependents
getkirby/cms	—	2.5.7	—

Data Freshness Timeline

(refreshed 9× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-23 00:10 UTCEG score recompute
2026-05-22 21:15 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-22 08:07 UTCEG score recompute

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-43140✓ verified
First seen Nov 13, 2017
Kirby CMS < 2.5.7 - Cross-Site Scripting
Open source ↗

Frequently asked(5)

What is CVE-2017-16807?

CVE-2017-16807 is a medium vulnerability published on November 13, 2017. 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.

When was CVE-2017-16807 disclosed?

CVE-2017-16807 was first published in the National Vulnerability Database on November 13, 2017, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2017-16807 actively exploited?

CVE-2017-16807 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 32.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

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

CVE-2017-16807 has a CVSS v3 base score of 5.4 (NVD).

How do I remediate CVE-2017-16807?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-16807, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2017-16807

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