CVE-2021-47950 (GCVE-0-2021-47950)
Vulnerability from cvelistv5 – Published: 2026-05-10 12:52 – Updated: 2026-07-15 01:24
VLAI
EPSS
VEX
Title
Advanced Guestbook 2.4.4 Persistent XSS via Smilies
Summary
Advanced Guestbook 2.4.4 contains a persistent cross-site scripting vulnerability in the smilies administration interface that allows authenticated attackers to inject malicious scripts by manipulating the s_emotion parameter. Attackers can submit POST requests to admin.php with JavaScript code in the s_emotion field, which executes when administrators view the smilies tab.
Severity
6.4 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-12 02:40 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/49875 | exploit |
| https://www.ampps.com/apps/guestbooks/Advanced_Gu… | product |
| https://www.vulncheck.com/advisories/advanced-gue… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Ampps | Advanced Guestbook |
Affected:
2.4.4
cpe:2.3:a:simplephpscripts:guestbook_script:2.4.4:*:*:*:*:*:*:* |
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