The Login No Captcha reCAPTCHA plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the $_SERVER['PHP_SELF'] superglobal in all versions up to, and including, 1.8.0. This is due to the authenticate() function storing the unsanitized output of basename($_SERVER['PHP_SELF']) in the login_nocaptcha_error WordPress option when a login attempt is made from a non-standard login page (e.g., xmlrpc.php). The admin_notices() function then echoes this stored value directly into the admin dashboard HTML without escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts that execute when an administrator with a whitelisted IP address visits the WordPress dashboard within 30 seconds of the attack.
CVE-2026-2374
Score 7.2 from GitHub Security Advisory (severity: HIGH) published 2026-05-28. NVD baseline CVSS 7.2; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.2
- EG Score
- 7.2(medium)
- EPSS
- 26.8%
- KEV
- Not listed
Published
May 28, 2026
Last Modified
May 28, 2026
Advisory Details (1)
Auto-updated Jun 11, 2026Login No Captcha reCAPTCHA – WordPress plugin | WordPress.org
https://wordpress.org/plugins/login-recaptcha/Vendor Advisories for CVE-2026-2374(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 12× in last 7d / 78× 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.
Showing the most recent 100 of 178 total refreshes for this CVE.
- 2026-07-15 16:57 UTCEPSS rescore
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- 2026-07-01 15:47 UTCGHSA enrichment
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- 2026-06-26 16:56 UTCEG score recompute
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- 2026-06-15 17:48 UTCEPSS rescore
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- 2026-06-12 23:12 UTCEPSS rescore
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- 2026-06-12 13:34 UTCEG score recompute
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Frequently asked(5)
What is CVE-2026-2374?
When was CVE-2026-2374 disclosed?
Is CVE-2026-2374 actively exploited?
What is the CVSS score of CVE-2026-2374?
How do I remediate CVE-2026-2374?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-2374
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