SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-19381

oauth/oauth2/v1/saml/ in Abacus OAuth Login 2019_01_r4_20191021_0000 before prior to R4 (20.11.2019 Hotfix) allows Reflected Cross Site Scripting (XSS) via an error message.

MEDIUM 6.1EPSS 0.72%

Does this matter?

Lower severity and a low EPSS score (0.72%). Track it; it rarely justifies an emergency change on its own.

Description

oauth/oauth2/v1/saml/ in Abacus OAuth Login 2019_01_r4_20191021_0000 before prior to R4 (20.11.2019 Hotfix) allows Reflected Cross Site Scripting (XSS) via an error message.

CVSS 3.1
6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
0.72% probability · 54th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-79
Affected
abacus/abacus
Source
cve@mitre.org
EPSS trend
0%3%5%27 October 2026: 0.72%27 October 202627 October 2026

EPSS 0.7% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.