CVE-2022-35583Public exploitNetwork attack vector

Internal resource access via unrestricted iframe fetching

Published Aug 22, 2022 · Updated Aug 3, 2024

SSRF in wkhtmltopdf 0.12.6 allows remote attackers to access internal network resources through attacker-supplied HTML. Its Qt WebKit renderer follows an iframe source URL embedded in the HTML without restricting the destination to approved hosts or blocking internal addresses. Exposure requires an application to pass untrusted HTML to the converter, and successful requests can disclose resources reachable from the converter's host.

CVSS severity9.8
Critical
EPSS probability15.38%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

SSRF in wkhtmltopdf 0.12.6 allows remote attackers to access internal network resources through attacker-supplied HTML. Its Qt WebKit renderer follows an iframe source URL embedded in the HTML without restricting the destination to approved hosts or blocking internal addresses. Exposure requires an application to pass untrusted HTML to the converter, and successful requests can disclose resources reachable from the converter's host.

The record

CVE
CVE-2022-35583
Published
Aug 22, 2022
Updated
Aug 3, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-918
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 22, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-918Server-Side Request Forgery (SSRF)

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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