CVE-2011-5026 EXPLOIT
4.3
MEDIUM · CVSS 2.0 · EPSS 1.6% (pctl 75)
Patch early
A public exploit exists.
Description
Cross-site scripting (XSS) vulnerability in the addPost function in data/functions.php in Winn GuestBook before 2.4.8d allows remote attackers to inject arbitrary web script or HTML via the name parameter to index.php. NOTE: some of these details are obtained from third party information.
Scoring
| CVSS | 4.3 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:N/AC:M/Au:N/C:N/I:P/A:N |
| EPSS | 1.6% — more likely to be exploited than 75% of all CVEs |
| Weakness | CWE-79 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2011-12-29 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| winn | winn guestbook |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Winn Guestbook 2.4.8c - Persistent Cross-Site Scripting | 2011-12-29 |
References
- http://code.google.com/p/winn-guestbook/issues/detail?id=34
- http://osvdb.org/78070
- http://secunia.com/advisories/47391
- http://www.exploit-db.com/exploits/18290
- https://exchange.xforce.ibmcloud.com/vulnerabilities/72025
- http://code.google.com/p/winn-guestbook/issues/detail?id=34
- http://osvdb.org/78070
- http://secunia.com/advisories/47391
- http://www.exploit-db.com/exploits/18290
- https://exchange.xforce.ibmcloud.com/vulnerabilities/72025
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