XSS in Bitly
CVE-2023-5577
The Bitly's plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'wpbitly' shortcode in all versions up to, and including, 2.7.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.005 (41.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.
Affected products
- Bitly
- Bitlydeveloper Bitly's Wordpress Plugin — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@wordfence.com (Third Party Advisory)
- security@wordfence.com (Issue Tracking)
- security@wordfence.com
Frequently asked questions
- What is CVE-2023-5577?
- CVE-2023-5577 is a medium-severity vulnerability in Bitly, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2023-11-07.
- How severe is CVE-2023-5577?
- Medium severity. CVSS v3 base score is 6.4 out of 10.
- Is CVE-2023-5577 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.