CVE-2022-50955

Description

WordPress Plugin Curtain 1.0.2 contains a cross-site request forgery vulnerability that allows attackers to activate or deactivate site maintenance mode by crafting malicious requests. Attackers can trick authenticated administrators into submitting forged requests to the options-general.php page with curtain parameters to toggle maintenance mode without valid nonce validation.

Overview

State

—

Assigner (CNA)

—

CVSS severity

medium

CVSS score

4.3 / 10

CVSS vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Effective score

4.3 / 10 MEDIUM source: CNA overview

CWE(s)

—

Reserved

—

Published

—

Last updated

—

Source

https://www.tenable.com/cve/CVE-2022-50955

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published

2026-05-10 13:16:33 UTC

NVD last modified

2026-05-12 14:24:15 UTC

NVD CVSS v3.1

4.3 / 10 MEDIUM source: disclosure@vulncheck.com

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Exploitability subscore

2.8 / 10

Impact subscore

1.4 / 10

EPSS score

0.0001 (probability of exploitation in next 30 days)

EPSS percentile

3.46% vs all CVEs — higher = more likely to be exploited, as of 2026-05-24

NVD-assigned CWE(s): CWE-352 (differs from the CNA list above)

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID

EUVD-2022-55976

Assigner

VulnCheck

Published

May 10, 2026, 12:12:50 PM

Updated

May 11, 2026, 2:49:35 PM

EUVD base score (CVSS 4.0)

5.3 / 10
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L

EUVD-reported EPSS

0.0200

Vendors

curtain

Products

Curtain (1.0.2)

ENISA description: WordPress Plugin Curtain 1.0.2 contains a cross-site request forgery vulnerability that allows attackers to activate or deactivate site maintenance mode by crafting malicious requests. Attackers can trick authenticated administrators into submitting forged requests to the options-general.php page with curtain parameters to toggle maintenance mode without valid nonce validation.

Vendor references (0)

References embedded in the original CVE record by the assigning CNA.

None in the CVE record.

Web references (6)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

• https://nvd.nist.gov/vuln/detail/CVE-2022-50955 tenable:nvd.nist.gov
• https://wordpress.org/plugins/curtain/ tenable:wordpress.org
• https://www.cve.org/CVERecord?id=CVE-2022-50955 tenable:www.cve.org
• https://www.exploit-db.com/exploits/50842 tenable:www.exploit-db.com
• https://www.first.org/epss/ tenable:www.first.org
• https://www.vulncheck.com/advisories/wordpress-plugin-curtain-cross-site-request-forgery tenable:www.vulncheck.com

• Microsoft Patch Tuesday, September 2025 Edition - Krebs on Security
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  2026-05-26 03:07 UTC
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• Nvd - Cve-2022-50955
  web:nvd.nist.gov

  An official website of the United States government Here's how you know

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  web:www.pcworld.com

  Windows 11's Secure Boot fix update finally rolls out to more PCs Important security certificates for Windows 11 will soon expire for many users.

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• Microsoft's Patch Tuesday Update Targets 120 Security Flaws
  web:www.techrepublic.com

  Microsoft's May Patch Tuesday fixes 120 flaws, including 31 remote code execution bugs, with no zero-days reported at release.

  2026-05-26 03:07 UTC
• Install Microsoft's emergency Windows patch now - ZDNET
  web:www.zdnet.com

  Install Microsoft's emergency Windows patch now - what it fixes and why it was rushed out Microsoft issued an out-of-band fix after its latest update introduced a nasty surprise.

  2026-05-26 03:07 UTC
• Patch Tuesday May 2026: Security Updates & CVE Analysis
  web:zecurit.com

  Get the complete breakdown of Microsoft's May 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .

  2026-05-26 03:07 UTC

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