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TI-2021-22542 Aliases CVE-2021-47929GHSA-4c29-8572-7xww

WordPress Plugin Filterable Portfolio Gallery 1.0 Stored XSS

Priority MEDIUM 56CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
None · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

Filterable Portfolio Gallery 1.0 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious JavaScript by entering payloads in the title field. Attackers can store JavaScript code like image tags with onerror handlers that execute when the gallery is previewed, affecting all users viewing the page.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00193 9th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Filterable-PortfolioFilterable Portfolio Gallery1.0—No fix listedCNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-47929
  2. 2026-10-03 Alias added: GHSA-4c29-8572-7xww

References

Sources