CVE-2026-0862Network attack vector

Reflected XSS via empty-key option decoding

Published Jan 24, 2026 · Updated Jan 24, 2026

Reflected XSS in Save as PDF Plugin by PDFCrowd 4.5.5 and earlier allows remote attackers to run scripts via the options parameter. The plugin accepts option data protected with an empty encryption key and reflects decoded values without sufficient sanitization or output escaping. Exploitation requires a blank or known API key and user interaction with a crafted link; demo mode uses a blank key by default.

CVSS severity6.1
Medium
EPSS probability0.24%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in Save as PDF Plugin by PDFCrowd 4.5.5 and earlier allows remote attackers to run scripts via the options parameter. The plugin accepts option data protected with an empty encryption key and reflects decoded values without sufficient sanitization or output escaping. Exploitation requires a blank or known API key and user interaction with a crafted link; demo mode uses a blank key by default.

The record

CVE
CVE-2026-0862
Published
Jan 24, 2026
Updated
Jan 24, 2026
Vendor
Charlestsmith
Product
Save as PDF Plugin by PDFCrowd
Classifications
CWE-79, T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 24, 2026CVE publishedPublication date reported by the CVE source.
  2. Jan 24, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=* <=4.5.5

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Charlestsmith · Save as PDF Plugin by PDFCrowdversion=* <=4.5.5

Published CVSS scores

6.1WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1189Drive-by Compromise

Public exploit references

No public exploit references are available in this record.

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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