CVE-2025-5540 json
Event RSVP and Simple Event Management Plugin <= 4.1.0 - Authenticated (Contributor+) Stored Cross-Site Scripting
published 2025-06-26 16 mo ago modified 2026-07-29 3 mo ago also EUVD-2025-28588
- cvss
- 6.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 15%
- public exploits
- 0
- none known
Summary
The Event RSVP and Simple Event Management Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'emd_mb_meta' shortcode in all versions up to, and including, 4.1.0 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 16 mo ago
Exploit prediction
0.25% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N |
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
Affected products
- emarket-design Event RSVP and Simple Event Management Plugin
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
wordfence.com
/threat-intel/vulnerabilities/id/f09ffc02-bfed-4aa3-a3d3-58e188b3e147?source=cve
third-party-advisory
-
wordpress.org
/plugins/wp-easy-events/
product
- plugins.trac.wordpress.org /changeset?sfp_email=&sfph_mail=&reponame=&old=3324339%40wp-easy-events&new=3324339%40wp-easy-events&sfp_email
Sources
- CVE List CVE-2025-5540
- NVD CVE-2025-5540
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.