[UPDATE] [medium] Joomla: Multiple vulnerabilities

mediumCVE-2024-27185 CVE-2024-27184 CVE-2024-27186 CVE-2024-27187 CVE-2024-40743

A remote, anonymous or authenticated attacker can exploit multiple vulnerabilities in Joomla to present false information, launch a Cross-Site Scripting attack, and modify data.

CSIRTS triage

vendor: Joomla product: Joomla Cross-site scriptingOther

What: Multiple vulnerabilities allow remote attackers to present false information, launch XSS attacks, and modify data.
Who is affected: All deployments of Joomla are at risk.
Urgency: Medium urgency for remediation due to the potential for data manipulation.
Action: Update Joomla to the latest version to mitigate these vulnerabilities.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity: medium
Published: 2026-07-09
Exploitation: Not in CISA KEV at last sync
Language: Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2024-1891

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2024-271850.44% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 36% of all scored CVEs.
Low exploitation riskCVE-2024-271840.24% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 15% of all scored CVEs.
Low exploitation riskCVE-2024-271860.25% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 17% of all scored CVEs.
Low exploitation riskCVE-2024-271870.35% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 28% of all scored CVEs.
Low exploitation riskCVE-2024-407430.25% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 17% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2024-27185	coverage & exploitation status	NVD · CVE.org
CVE-2024-27184	coverage & exploitation status	NVD · CVE.org
CVE-2024-27186	coverage & exploitation status	NVD · CVE.org
CVE-2024-27187	coverage & exploitation status	NVD · CVE.org
CVE-2024-40743	coverage & exploitation status	NVD · CVE.org

Recent advisories for Joomla

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

unknownCVE-2026-57828: The Joomla extension Phoca Downloads is vulnerable to an authenticated arbitrary file upload t…nvd · 2026-07-11
unknownCVE-2026-57827: The Joomla extension RSFiles is vulnerable to an unauthenticated arbitrary file upload that al…nvd · 2026-07-11
highCVE-2026-56292: A SQLi vulnerability in AcyMailing component < 10.11.1 for Joomla was discovered. Exploiting t…nvd · 2026-07-09
criticalexploitedCVE-2026-56291: The Joomla extension Balbooa Forms is vulnerable to an unauthenticated arbitrary file upload t…nvd · 2026-07-09
medium[UPDATE] [medium] Joomla: Multiple vulnerabilitiescert-bund · 2026-07-09
high[NEW] [high] Joomla: Multiple vulnerabilitiescert-bund · 2026-07-08