CVE-2019-17550 json
The Blog2Social plugin before 5.9.0 for WordPress is affected by: Cross Site Scripting (XSS).
published 2019-11-13 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-7898
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 71%
- public exploits
- 0
- none known
Summary
The Blog2Social plugin before 5.9.0 for WordPress is affected by: Cross Site Scripting (XSS). The impact is: Allows an attacker to execute arbitrary HTML and JavaScript code via the b2s_id parameter. The component is: views/b2s/post.calendar.php. The attack vector is: When the Administrator is logged in, a reflected XSS may execute upon a click on a malicious URL.
Patch / fix
Exploit prediction
1.34% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
plugins.trac.wordpress.org
/changeset/2186043
patch, third-party-advisory
-
wordpress.org
/plugins/blog2social/#developers
product, third-party-advisory
-
plugins.trac.wordpress.org
/log/blog2social/
third-party-advisory
-
wpvulndb.com
/vulnerabilities/9948
third-party-advisory
Sources
- CVE List CVE-2019-17550
- NVD CVE-2019-17550
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.