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CVE-2026-33738

MEDIUM

5.4

Description

Lychee is a free, open-source photo-management tool. Prior to version 7.5.3, the photo `description` field is stored without HTML sanitization and rendered using `{!! $item->summary !!}` (Blade unescaped output) in the RSS, Atom, and JSON feed templates. The `/feed` endpoint is publicly accessible without authentication, allowing any RSS reader to execute attacker-controlled JavaScript. Version 7.5.3 fixes the issue.

CVE Details

CVSS v3.1 Score5.4

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionREQUIRED

Published3/26/2026

Last Modified3/30/2026

Sourcenvd

Honeypot Sightings0

Affected Products

lycheeorg:lychee

Weaknesses (CWE)

CWE-79

References

https://github.com/LycheeOrg/Lychee/commit/d2e2606a0223d5a384d5b806db1b31eb587adc5c(security-advisories@github.com)

https://github.com/LycheeOrg/Lychee/pull/4218(security-advisories@github.com)

https://github.com/LycheeOrg/Lychee/releases/tag/v7.5.3(security-advisories@github.com)

https://github.com/LycheeOrg/Lychee/security/advisories/GHSA-5574-7f3r-hm9j(security-advisories@github.com)

https://github.com/LycheeOrg/Lychee/security/advisories/GHSA-5574-7f3r-hm9j(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

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