CVE-2020-37245Public exploitNetwork attack vector

File disclosure and stored XSS via unsanitized inputs

Published May 16, 2026 · Updated May 16, 2026

Path traversal and stored XSS in Supsystic Digital Publications 1.6.9 allow remote authenticated users to read files and run scripts. The Folder handler in classes/utils.php passes traversal-controlled paths to readdir(), while publication settings store input without neutralizing script markup. Access to publication management is required; unreadable traversed directories can also loop indefinitely and fill the Apache error log.

CVSS severity8.7
High
EPSS probability0.50%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Path traversal and stored XSS in Supsystic Digital Publications 1.6.9 allow remote authenticated users to read files and run scripts. The Folder handler in classes/utils.php passes traversal-controlled paths to readdir(), while publication settings store input without neutralizing script markup. Access to publication management is required; unreadable traversed directories can also loop indefinitely and fill the Apache error log.

The record

CVE
CVE-2020-37245
Published
May 16, 2026
Updated
May 16, 2026
Vendor
Supsystic
Product
WordPress FlipBook by Supsystic
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 16, 2026CVE publishedPublication date reported by the CVE source.
  2. May 16, 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=1.6.9

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Supsystic · WordPress FlipBook by Supsysticversion=1.6.9

Published CVSS scores

7.5VulnCheckCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
8.7VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA: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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007JavaScript/JScript

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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