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CVE-2026-57940

LOW
2.1
CVSS Score
Published: June 26, 2026 at 01:08 PM UTC
Updated: June 27, 2026 at 11:42 AM UTC
1 product affected across 1 vendorHTMLy

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Severity
LOW2.1
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

HTMLy 3.1.1 contains a Server-Side Request Forgery (SSRF) vulnerability in the RSS feed import functionality. The function get_feed() in system/admin/admin.php passes user-supplied $feed_url directly to file_get_contents() without any validation. An authenticated attacker with administrative privileges can exploit this by entering a crafted URL (e.g., http://dnslog.example.com/ , file:///etc/passwd, or http://169.254.169.254 in cloud contexts) via Tools -> Import RSS. The server will then make a request to the attacker-controlled target.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord
https://github.com/danpros/htmly/blob/c8b7ed9af39a266b256759becf26dba6a59e11e6/system/admin/admin.php#L1549-L1551

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

2.1LOWmitre
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-918

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