CVE-2024-8857Public exploitNetwork attack vector

Stored script execution via unsanitized auction descriptions

Published Jan 7, 2025 · Updated Jan 7, 2025

Stored XSS in Marka Studios WordPress Auction Plugin 3.7 and earlier allows remote authenticated users to execute scripts via auction descriptions. The auction description accepts script markup without sanitization, and the auctions widget renders the stored description on the frontend without output escaping. Editor-level access is required to add the crafted auction, and script execution occurs in the browser of a user who views the affected frontend page.

CVSS severity4.8
Medium
EPSS probability0.32%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in Marka Studios WordPress Auction Plugin 3.7 and earlier allows remote authenticated users to execute scripts via auction descriptions. The auction description accepts script markup without sanitization, and the auctions widget renders the stored description on the frontend without output escaping. Editor-level access is required to add the crafted auction, and script execution occurs in the browser of a user who views the affected frontend page.

The record

CVE
CVE-2024-8857
Published
Jan 7, 2025
Updated
Jan 7, 2025
Vendor
Marka Studios
Product
WordPress Auction Plugin
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 7, 2025CVE publishedPublication date reported by the CVE source.
  2. Jan 7, 2025Record 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=0 <=3.7

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Marka Studios · WordPress Auction Pluginversion=0 <=3.7

Published CVSS scores

4.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:H/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.

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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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

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