CVE-2025-9857 json
Heateor Login – Social Login Plugin <= 1.1.9 - Authenticated (Contributor+) Stored Cross-Site Scripting
published 2025-09-10 13 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-27520
- 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 14%
- public exploits
- 0
- none known
Summary
The Heateor Login – Social Login Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'Heateor_Facebook_Login' shortcode in all versions up to, and including, 1.1.9 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
- 13 mo ago
Exploit prediction
0.24% chance of exploitation in the next 30 days, higher than 14% 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 |
Affected products
- heateor Heateor Login – Social Login Plugin
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
- wordfence.com /threat-intel/vulnerabilities/id/d106d581-d711-44ac-b85a-c43aad727eeb?source=cve
- plugins.trac.wordpress.org /browser/heateor-login/tags/1.1.9/shortcode.php#L24
- plugins.trac.wordpress.org /changeset?sfp_email=&sfph_mail=&reponame=&old=3357088%40heateor-login&new=3357088%40heateor-login&sfp_email=&
Sources
- CVE List CVE-2025-9857
- NVD CVE-2025-9857
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.