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ReviewHigh

CVE-2026-73354

ReichertBrothers SimplyRETS Real Estate IDX

Unauthenticated Cross Site Scripting (XSS) in SimplyRETS Real Estate IDX <= 3.2.8 versions.

CVSS
7.1
EPSS
-
- percentile
CISA KEV
Not listed
Published
2026.08.19
PRIORITY ASSESSMENT

Review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability-
Technical severityCVSS 7.1

Vulnerability overview

Unauthenticated Cross Site Scripting (XSS) in SimplyRETS Real Estate IDX <= 3.2.8 versions.

Affected product and versions

Product
ReichertBrothers SimplyRETS Real Estate IDX
Affected versions
<= 3.2.8
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that ReichertBrothers SimplyRETS Real Estate IDX and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
CWE
CWE-79