CVE-2025-27754Network attack vector

Stored script execution via retained resource payload

Published Jun 5, 2025 · Updated Jun 8, 2025

Stored XSS in RSJoomla! RSBlog! 1.11.6 through 1.14.4 allows remote authenticated users to execute JavaScript through blog content. The component stores malicious JavaScript injected into an unspecified plugin resource and later executes it when other users view the affected content. An authenticated account and a later content view are required; published material does not identify the vulnerable field or report effects beyond browser-context script execution.

CVSS severity6.5
Medium
EPSS probability0.22%
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 RSJoomla! RSBlog! 1.11.6 through 1.14.4 allows remote authenticated users to execute JavaScript through blog content. The component stores malicious JavaScript injected into an unspecified plugin resource and later executes it when other users view the affected content. An authenticated account and a later content view are required; published material does not identify the vulnerable field or report effects beyond browser-context script execution.

The record

CVE
CVE-2025-27754
Published
Jun 5, 2025
Updated
Jun 8, 2025
Vendor
RSJoomla!
Product
RSBlog!
Classifications
CWE-79
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 5, 2025CVE publishedPublication date reported by the CVE source.
  2. Jun 8, 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=1.11.6-1.14.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

RSJoomla! · RSBlog!version=1.11.6-1.14.4

Published CVSS scores

6.5CISA-ADPCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L

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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

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

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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