XSS in Securimage-Wp-Fixed
CVE-2021-34640
The Securimage-WP-Fixed WordPress plugin is vulnerable to Reflected Cross-Site Scripting due to the use of $_SERVER['PHP_SELF'] in the ~/securimage-wp.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 3.5.4.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.023 (82.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000
Affected products
- Securimage-Wp-Fixed — versions 3.5.4
- Securimage-Wp-Fixed Project
Weakness classification (CWE)
Public proof-of-concept exploits
References
- plugins.trac.wordpress.org/browser/securimage-wp-fixed/trunk/securimage-wp.php (Exploit, Third Party Advisory)
- www.wordfence.com/vulnerability-advisories/ (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-34640?
- CVE-2021-34640 is a medium-severity vulnerability in Securimage-Wp-Fixed, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-08-11.
- How severe is CVE-2021-34640?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2021-34640 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.