Page generated: 09 Nov 2026, 10:29 UTC
← Dashboard

CVE-2026-48939

A vulnerability in the iCagenda extension for Joomla allows the upload of arbitrary files in the file attachment feature, ultimately resulting in PHP code upload and execution.

CVSS 10.0 (CRITICAL) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
1.8/10
REALITY · THREAT PRIORITY
8.6/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 10: +1.50
  • Fresh EPSS: 20.07%: +0.10

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 7 documents and public datasets.

Hype components

Headline sample (25%)
60/100
Press, 30 days (60%)
5/100
Grounded branding (15%)
0/100
HYPE TOTAL18/100

Sources and documents

DeXpose
Press · 23 Oct 2026, 11:56 · CVE 2026 | The Complete Guide to New, Critical & Actively Exploited Vulnerabilities (Updated Weekly) - DeXpose
Recorded Future
Press · 07 Aug 2026, 07:00 · July 2026 CVE Landscape - Recorded Future
The Register
Press · 14 Jul 2026, 07:00 · Baddies caught exploiting extensions bugs with perfect 10 scores on vulnerable Joomla websites - The Register
The Cyber Express
Press · 13 Jul 2026, 11:22 · CISA Warns of CVE-2026-48939, CVE-2026-56291 Zero-Days - The Cyber Express
The Hacker News
Press · 13 Jul 2026, 07:00 · iCagenda and Balbooa Forms Joomla Flaws Reportedly Exploited as Zero-Days - The Hacker News
See all 7 source documents
SecurityWeek
Press · 13 Jul 2026, 07:00 · Organizations Warned of Exploited Joomla Extension Vulnerabilities - SecurityWeek
BleepingComputer
Press · 13 Jul 2026, 07:00 · CISA warns of actively exploited RCE flaws in Joomla extensions - BleepingComputer

Score evolution

● Hype   ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 1.8 · reality 8.6 (2026-11-02 15:14). The curve appears once the score changes.

Public exploit evidence

1

Public exploit entries / repo candidates

See 1 repos with metrics
RepositoryStarsForksLanguageUpdated
ChiefYoru/CVE-2026-48939_PoC00Python18 Jul 2026, 22:03
Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence
Exploitation recorded
Priority basis
Recorded exploitation; CVSS 10; EPSS 20.1%
Attention, last 30 days
1 distinct story titles; 1 press documents; 1 publisher domains.
Technical potential
network access, no prior privileges, no user interaction.
Observed activity
Exploitation recorded in CISA KEV.
Known scale
Not quantified.
Evidence confidence basis
Trusted exploitation confirmation

Score evaluated: 2026-11-05 14:00:13.371876+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
Published
20 Jun 2026, 11:56
Added to the CISA KEV catalog
10 Jul 2026, 00:00
First press mention
13 Jul 2026, 07:00
Latest press mention
23 Oct 2026, 11:56
Score calculated
05 Nov 2026, 14:00
PoCs on GitHub
1 repositories