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TI-2011-04303 Aliases CVE-2011-5026GHSA-p6cg-c78j-hqmv

Cross-site scripting (XSS) vulnerability in the addPost function in data/functions.php in…

Priority LOW 23CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
Cross-site scripting
Confidentiality · integrity · availability
None · Partial · None
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

EPSS 0.01602 75th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 9

CPEVersionsRoleVendor
cpe:2.3:a:winn:winn_guestbook:*:*:*:*:*:*:*:*up to 2.4.8cVulnerableWinn
cpe:2.3:a:winn:winn_guestbook:2.4.1:beta:*:*:*:*:*:*2.4.1 betaVulnerableWinn
cpe:2.3:a:winn:winn_guestbook:2.4.2:*:*:*:*:*:*:*2.4.2VulnerableWinn
cpe:2.3:a:winn:winn_guestbook:2.4.3:*:*:*:*:*:*:*2.4.3VulnerableWinn
cpe:2.3:a:winn:winn_guestbook:2.4.4:*:*:*:*:*:*:*2.4.4VulnerableWinn
cpe:2.3:a:winn:winn_guestbook:2.4.5:*:*:*:*:*:*:*2.4.5VulnerableWinn
cpe:2.3:a:winn:winn_guestbook:2.4.6:*:*:*:*:*:*:*2.4.6VulnerableWinn
cpe:2.3:a:winn:winn_guestbook:2.4.7:*:*:*:*:*:*:*2.4.7VulnerableWinn
cpe:2.3:a:winn:winn_guestbook:2.4.8b:*:*:*:*:*:*:*2.4.8bVulnerableWinn
  • cpe:2.3:a:winn:winn_guestbook:*:*:*:*:*:*:*:* Versions up to 2.4.8c Vulnerable ·Winn
  • cpe:2.3:a:winn:winn_guestbook:2.4.1:beta:*:*:*:*:*:* Versions 2.4.1 beta Vulnerable ·Winn
  • cpe:2.3:a:winn:winn_guestbook:2.4.2:*:*:*:*:*:*:* Versions 2.4.2 Vulnerable ·Winn
  • cpe:2.3:a:winn:winn_guestbook:2.4.3:*:*:*:*:*:*:* Versions 2.4.3 Vulnerable ·Winn
  • cpe:2.3:a:winn:winn_guestbook:2.4.4:*:*:*:*:*:*:* Versions 2.4.4 Vulnerable ·Winn
  • cpe:2.3:a:winn:winn_guestbook:2.4.5:*:*:*:*:*:*:* Versions 2.4.5 Vulnerable ·Winn
  • cpe:2.3:a:winn:winn_guestbook:2.4.6:*:*:*:*:*:*:* Versions 2.4.6 Vulnerable ·Winn
  • cpe:2.3:a:winn:winn_guestbook:2.4.7:*:*:*:*:*:*:* Versions 2.4.7 Vulnerable ·Winn
  • cpe:2.3:a:winn:winn_guestbook:2.4.8b:*:*:*:*:*:*:* Versions 2.4.8b Vulnerable ·Winn

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-5026
  2. 2026-10-03 Alias added: GHSA-p6cg-c78j-hqmv

References

Exploit 1

Other 2

  • TI-2009-04434 Cross-site scripting (XSS) vulnerability in index.php in Winn Guestbook 2.4 allows remote… CVSS 2.0MEDIUM 4.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences