CVE-2026-65053: horde imp

Horde IMP before 7.2.0 Stored Cross-Site Scripting via AppleDouble Viewer Part Name

CVSS 5.1 MediumEPSS 0.0041 · 35th percentile

Published by the CVE Program (CNA: VulnCheck) at 24 Aug 2026, 14:53 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
horde	imp pkg:github/horde/imp	affected before 7.2.0 semver Other versions: unaffected

Identifiers

CVE-2026-65053

CNA

VulnCheck

Weakness (CWE)

CWE-79

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
5.1	Medium	4.0	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N	CNA (VulnCheck)Used for this record
6.1	Medium	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N	CNA (VulnCheck)

CISA KEV Not listed.
EPSS 0.0041, the 35th percentile, on 15 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 24 Aug 2026. New records show when each source confirmed them.

Sources

References from the CNA

www.horde.org/apps/imp product
github.com/horde/imp/commit/f31449a12e3f945c90015d29524925c4c43f6324 patch
github.com/horde/imp/pull/107 issue-trackingpatch
github.com/horde/imp/releases/tag/v7.2.0 release-notes
www.vulncheck.com/advisories/horde-imp-before-stored-cross-site-scripting-via-appledouble-viewer-part-name third-party-advisory
blog.evan.lat/posts/CVE-2026-65053/ technical-descriptionexploit

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.