CVE-2026-77992

CRITICAL
INFO Priority: 0.04 BB Relevance: 79/100
Published: 2026-08-22 Modified: 2026-10-23 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: X
AT: Present
VC: High
VI: High
VA: High

Description

Joomla Extension - fabrikar.com - heredoc terminator breakout in the calc element in Fabrik < 4.7.2 - The onUpdateComment endpoint did not perform any access checks.

Weakness Classification (1)

References & Advisories (1)

Bug Bounty Relevance

79 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

9.5 / 10.0 v4.0
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS — Exploitation Probability

0.44%
Raw Score 0.004440
Percentile 38.5%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00444
2026-10-28
0.00444

Intelligence Sources

nvd ref →