CVE-2024-8792Network attack vector

Reflected XSS via unescaped add_query_arg URL

Published Oct 30, 2024 · Updated Apr 8, 2026

Reflected XSS in Mark Jaquith Subscribe to Comments 2.3 and earlier allows remote attackers to inject scripts through crafted links. The plugin emits a URL returned by add_query_arg into page markup without the output escaping needed to neutralize attacker-controlled query data. Exploitation requires an unauthenticated attacker to persuade a user to open the crafted link, after which script executes in the user's browser under the site's origin.

CVSS severity6.1
Medium
EPSS probability0.41%
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 Mark Jaquith Subscribe to Comments 2.3 and earlier allows remote attackers to inject scripts through crafted links. The plugin emits a URL returned by add_query_arg into page markup without the output escaping needed to neutralize attacker-controlled query data. Exploitation requires an unauthenticated attacker to persuade a user to open the crafted link, after which script executes in the user's browser under the site's origin.

The record

CVE
CVE-2024-8792
Published
Oct 30, 2024
Updated
Apr 8, 2026
Vendor
Mark Jaquith
Product
Subscribe to Comments
Classifications
CWE-79, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 30, 2024CVE publishedPublication date reported by the CVE source.
  2. Apr 8, 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=0 <=2.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Mark Jaquith · Subscribe to Commentsversion=0 <=2.3

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 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 exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1204.001User Execution: Malicious Link

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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