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CVE-2026-16272VulnerabilityPublished 09/09/2026

Use of less trusted source vulnerability in PayTR Payment and Electronic Money Institution Inc. (CVE-2026-16272)

Source GCVE Database

0

Not known to be exploited · CVSS 9.1 Critical.

Data as of 10/25/2026, 04:40:11 UTC

CVSS 3.1 base score
9.1Critical
How severe the flaw is on the 0–10 CVSS scale.
Exploitation

Not in CISA KEV, no exploitation reported

EPSS
0.1% chance of exploitation in 30 days – higher than 3% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

What to do

AI-suggested

Users should monitor vendor communications for updates and apply any official fixes once available.

Description

CVE-2026-16272 is a critical vulnerability in the PayTR Virtual Pos iFrame API (v9x) WHMCS Module that affects versions 9.0.0 up to but not including 9.0.3. The flaw involves the use of less trusted sources for trusted identifiers, which can be exploited remotely without requiring privileges or user interaction. This vulnerability has a high CVSS score of 9.1, indicating a severe impact on confidentiality and integrity.

Impact

Successful exploitation can lead to compromise of confidentiality and integrity of data processed by the affected module. Since the vulnerability can be exploited remotely without authentication or user interaction, it poses a critical risk to systems using affected versions of the PayTR Virtual Pos iFrame API WHMCS Module.

Weaknesses

References

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