CVE-2026-4313

Stored XSS in AdaptiveGRC

LOW

2.4

CVSS Score

Published: April 24, 2026 at 11:05 AM UTC

Updated: October 26, 2026 at 09:10 PM UTC

1 product affected across 1 vendorAdaptiveGRC

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Severity

LOW2.4

Exploit prediction

EPSS 0.6%

SSVC

No known exploit

Description

AdaptiveGRC is vulnerable to Stored XSS via text type fields across the forms. Authenticated attacker can replace the value of the text field in the HTTP POST request. Improper parameter validation by the server results in arbitrary JavaScript execution in the victim's browser. Critically, this may allow the attacker to obtain the administrator authentication token and perform arbitrary actions with administrative privileges, which could lead to further compromise. This issue occurs in versions released before December 2025.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

AdaptiveGRC · C and F

90%

5.420.00 ≤ v < 5.420.145.420.00 ≤ v < 5.420.665.420.00 ≤ v < 5.423.75.420.00 ≤ v < 5.444.1195.420.00 ≤ v < 5.444.205.420.00 ≤ v < 5.448.1165.420.00 ≤ v < 5.448.425.420.00 ≤ v < 5.449.405.420.00 ≤ v < 5.453.1105.420.00 ≤ v < 5.453.195.420.00 ≤ v < 5.454.175.420.00 ≤ v < 5.454.645.420.00 ≤ v < 5.455.875.420.00 ≤ v < 5.456.205.420.00 ≤ v < 5.456.605.420.00 ≤ v < 5.499.1135.420.00

Affected range stops below 5.420.14, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.420.66, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.423.7, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.444.119, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.444.20, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.448.116, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.448.42, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.449.40, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.453.110, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.453.19, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.454.17, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.454.64, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.455.87, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.456.20, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.456.60, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.499.113, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Third Party Advisory

Source: cverecord

https://cert.pl/posts/2026/04/CVE-2026-4313

Product

Source: cverecord

https://adaptivegrc.com/pl/wszystkie-procesy-grc-w-jednym-narzedziu/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

2.4LOWCERT-PL

Vector?

Quick Info

StatusDEFERRED

CWE

CWE-79

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