CVE-2022-29273

MEDIUMNVD 6.16.1—Elevated

6.1

EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.

High exploitation likelihood — EPSS 60%

CISA-KEV: Not listedEPSS: 60%CVSS: 6.1Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

pfSense CE through 2.6.0 and pfSense Plus before 22.05 allow XSS in the WebGUI via URL Table Alias URL parameters.

CVSS v3: 6.1
EG Score: 6.1(medium)
EPSS: 99.0%
KEV: Not listed

Published

February 22, 2023

Last Modified

November 21, 2024

References (6)

cve@mitrehttps://docs.netgate.com/downloads/pfSense-SA-22_05.webgui.asc
cve@mitrehttps://docs.netgate.com/pfsense/en/latest/releases/index.html#current-and-upcoming-supported-releases
cve@mitrehttps://redmine.pfsense.org/issues/13060
af854a3a-2127-422b-91ae-364da2661108https://docs.netgate.com/downloads/pfSense-SA-22_05.webgui.asc
af854a3a-2127-422b-91ae-364da2661108https://docs.netgate.com/pfsense/en/latest/releases/index.html#current-and-upcoming-supported-releases
af854a3a-2127-422b-91ae-364da2661108https://redmine.pfsense.org/issues/13060

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-79Cross-site Scripting (XSS)

Data Freshness Timeline

(refreshed 7× in last 7d / 48× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-27 03:07 UTCEPSS rescore
2026-06-25 13:48 UTCEPSS rescore
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2026-06-07 15:23 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
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2026-06-05 06:09 UTCEPSS rescore
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2026-06-04 13:11 UTCEPSS rescore
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2026-05-31 22:29 UTCEPSS rescore
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2026-05-31 00:15 UTCEPSS rescore
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2026-05-29 13:43 UTCEPSS rescore
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2026-05-28 13:43 UTCEPSS rescore
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2026-05-27 13:39 UTCEPSS rescore
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2026-05-26 13:43 UTCEPSS rescore
2026-05-26 07:17 UTCEPSS rescore
2026-05-26 07:17 UTCEPSS rescore
2026-05-26 07:17 UTCEPSS rescore
2026-05-24 16:51 UTCEPSS rescore
2026-05-23 09:37 UTCEG score recompute
2026-05-23 09:37 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2022-29273?

CVE-2022-29273 is a medium vulnerability published on February 22, 2023. pfSense CE through 2.6.0 and pfSense Plus before 22.05 allow XSS in the WebGUI via URL Table Alias URL parameters.

When was CVE-2022-29273 disclosed?

CVE-2022-29273 was first published in the National Vulnerability Database on February 22, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-29273 actively exploited?

CVE-2022-29273 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-29273?

CVE-2022-29273 has a CVSS v3 base score of 6.1 (NVD).

How do I remediate CVE-2022-29273?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-29273, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2022-29273

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-29273?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (6)

Frequently asked(5)

Related CVEs(same CWE)