vciy

CVE-2008-2991

INDEX BUILT · 2026-09-20

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Cross-site scripting (XSS) vulnerability in Adobe RoboHelp Server 6 and 7 allows remote attackers to inject arbitrary web script or HTML via vectors…

CVE-2008-29913 of 4 sources documented this
19

rank 19 = 4 + 11 + 0 + 4 + 0

rank@v1 · backlog

Someone is already using it

CISA KEV catalog · public proof-of-concept · FIRST EPSS

EPSS 0.16510  ·  without this subject the record ranks 15

What it costs you if it fires

NVD CVSS base score, then the CNA's own

CVSS 4.3, from NVD  ·  without this subject the record ranks 8

It is getting worse, not staying still

FIRST EPSS series, rescorings and bad loads removed

no persisting rise in 365 days  ·  without this subject the record ranks 19

How much of the world it touches

NVD CPE configurations

2 products in the CPE ranges  ·  without this subject the record ranks 15

Someone else already set the date

CISA KEV remediation due date

no CISA due date  ·  without this subject the record ranks 19

Unaudited dollar value2 of 3 inputs carry a receipt
Exposure$236,000over the next 30 days, if this record is yours
Movementno material movementthe record holds only daily drift and scoring model releases
Basisassumeda published average, not your estate

$236,000 = $4.99M incident cost x 0.28625080150224425 exposure x 0.1651 likelihood

udv@v1 · unaudited · wrong for you until you say what you run

$4.99M is the cost of a breach that happened, from IBM Cost of a Data Breach Report 2026, global average. It is not the value of any asset of yours. That average already covers breaches of every severity, so scaling it by exposure understates a partial-impact record. That is an assumption, not a measurement. Your own asset value goes in the decision record.

Hindsight · the state

0.1651EPSSNOT IN KEVas of 2026-09-20
Severity4.3 MEDIUMreceipt
Harmunauthenticated · networkreceipt
Exploitationnone in held sources
Defenseno fix version held
Movementdoubled within 72hreceipt
PLATEAU10Minimal movement since 2026-06-15, 74 days at 0.17, as of 2026-08-28. arc-rules@v1

Foresight · where to check next

QNAP Systems Inc.Cisco AdaptiveCVE-2018-6882ZimbraMicrosoft2991

This record is one instance of CWE-79, improper neutralization of input during web page generation ('cross-site scripting'). The index holds 47894 prior instances of this class, 32 KEV-listed. The nearest of its KEV-listed records are drawn beside this. taxonomy@v1

Full pattern panel

Prior records in this weakness class. Each is its own record, dated and receipted.
Color is a claim, not decoration:the hostile worldthe defenseno signal

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Harm, if it fires from the vector and the weakness

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Reachnetwork-reachable · no authenticationreceipt
ImpactPartial integrity lossreceipt
Scored fromCVSS v2.0 · NVD's vectorreceipt
Weakness classCWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')receipt
Published consequencesCWE-79: Access Control, Confidentiality: Bypass Protection Mechanism, Read Application Data; Integrity, Confidentiality, Availability: Execute Unauthorized Code or Commands…[email protected]

CISA KEV & Federal Remediation Deadline from the record and CISA

The fix, and how long it's been waiting.

Fixed inNo fix version in held sources, as the index stood on 28 Aug 2026.
Patch available sinceNo dated patch-availability record in held sources. The index holds reference URLs without dates and only the current revision of the CVE record, so the day a fix first existed cannot be derived. Only the versions it landed in.

Exploit Status & Known PoCs a ladder, not a score

Current rung: Nothing observed in held sources.

  • RUNG 1Nothing observed in held sources
  • RUNG 2Proof-of-concept published
  • RUNG 3Exploited in the wild · CISA KEV listed
  • RUNG 4Ransomware campaign use known

Authority who says so

CVSS, NVD4.3 MEDIUMreceipt
Exploit probability0.1651 · top 3% of all CVEsreceipt
Blast breadth1 product across 1 vendorderived
Assigned bymitrereceipt
Recorded changes14 · last 19 Sep 2026derived

Affected & Fixed Versions as published

Named in the CPE rangesAdobe robohelp serverreceipt
Published rangesadobe robohelp server 6; adobe robohelp server 7receipt

A rung lights from a row in the index, never from an assessment. "Held sources" is the true scope of the claim: this index reads the CVE record, NVD, CISA KEV, FIRST's EPSS and public proof-of-concept repositories, and it does not observe attacks.

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What it is stated by the CNA

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. receipt

NVD's analysis a second authority

severity
4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N
weakness
CWE-79
affected versions
adobe robohelp server 6; adobe robohelp server 7
also scored by
6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

check it yourself securityfocus.com vupen.com secunia.com securitytracker.com adobe.com receipt

Dated events

2023-03-07EPSS moved 0.01 to 0.372026-06-15EPSS moved 0.03 to 0.14

Movement the material steps

4 Feb 20220.01213
7 Mar 20230.3748 · crossed 0.10 · scoring model v2023.03.01
17 Dec 20240.25041
17 Mar 20250.01374 · crossed 0.10 · scoring model v2025.03.14
15 Jun 20260.13848 · crossed 0.10 · scoring model v2026.06.15
28 Aug 20260.1651

This score more than doubled inside 72 hours. Both observations are in the full history below.

Show all 14 observations
4 Feb 20220.01213
7 Mar 20230.3748
8 Mar 20230.37480
3 Nov 20240.32935
17 Dec 20240.25041
26 Feb 20250.24027
17 Mar 20250.01374
29 Mar 20250.00624
30 Mar 20250.01374
24 Apr 20250.01567
29 Aug 20250.02997
15 Jun 20260.13848
24 Jun 20260.15505
28 Aug 20260.1651

14 observations held. A highlighted step crossed a promotion threshold. A step marked with a scoring model moved because the instrument was replaced, not because the vulnerability changed. receipt

The full biography

EPSS 0.1651Published2008-07-09Index as of2026-08-28

Exploit probability more than doubled between 2025-03-29 and 2025-03-30 (0.00624 → 0.01374) and the record had been public for 18 years, 1 month when this index was last written.

Published 2008-07-09 receipt · Index as of 2026-08-28 derived

The pattern, elsewhere

This record is one instance of CWE-79, improper neutralization of input during web page generation ('cross-site scripting'). The index holds 47894 prior instances of this class, 32 KEV-listed. The nearest of its KEV-listed records are drawn beside this. [email protected]

CVE-2018-19943 · QNAP Systems Inc. QTSnothing comparable heldKEV listed · 2020receipt
CVE-2018-19953 · QNAP Systems Inc. QTSnothing comparable heldKEV listed · 2020receipt
CVE-2020-3580 · Cisco Adaptive Security Appliance (ASA)…nothing comparable heldKEV listed · 2020receipt
CVE-2018-6882nothing comparable heldKEV listed · 2018receipt
CVE-2025-66376 · Zimbra Collaborationnothing comparable heldKEV listed · 2026receipt
CVE-2026-42897 · Microsoft Exchange Server 2016 Cumulative…nothing comparable heldKEV listed · 2026receipt

"Matches n of m" counts the attributes the two records can both be compared on: the CVSS metrics they share a version of, any weakness class beyond this one, and the vendor. fit-rules@v1

47894 records in this class held. The six above are drawn from the ones CISA has listed as exploited, ranked by how much of the record matches this one. That is why every one of them is KEV-listed: the pool is, so the colour on those spokes says nothing the pool has not already said.

No curated product neighbourhood is held for this product, so the records above are the nearest this index can name. The neighbourhood table covers a small set of products and is extended by hand.

Siblings and hubs

Records related to this one

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What usually comes next

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