What is CVE-2008-2991?

CVE-2008-2991 is a medium-severity vulnerability in Adobe Robohelp Server, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2008-07-09.

How severe is CVE-2008-2991?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Adobe Robohelp Server

CVE-2008-2991

Cross-site scripting (XSS) vulnerability in Adobe RoboHelp Server 6 and 7 allows remote attackers to inject arbitrary web script or HTML via vectors related to the Help Errors log.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2008-07-09 · last modified 2026-06-16.

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: 0.165 (96.9th percentile), scored 2026-09-30.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.165 · newest: 0.165 · change: 0.000

Affected products

Adobe Robohelp Server — versions 6, 7

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.securityfocus.com/bid/30137 (Exploit, vdb-entry)
www.vupen.com/english/advisories/2008/2026/references (vdb-entry)
secunia.com/advisories/31001 (third-party-advisory)
securitytracker.com/id (Exploit, vdb-entry)
www.adobe.com/support/security/bulletins/apsb08-16.html (Exploit)

Frequently asked questions

What is CVE-2008-2991?: CVE-2008-2991 is a medium-severity vulnerability in Adobe Robohelp Server, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2008-07-09.
How severe is CVE-2008-2991?: Medium severity. CVSS v3 base score is 6.1 out of 10.