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CVE-2006-2303· NVD / CVE Program· CNA mitre

Cross-Application Scripting (XAS) vulnerability in ICQ Client 5.04 build 2321 and earlier allows remote attackers to inject arbitrary web sc

Cross-Application Scripting (XAS) vulnerability in ICQ Client 5.04 build 2321 and earlier allows remote attackers to inject arbitrary web script from one application into another via a banner, which is processed in the My Computer zone using the Internet Explorer COM object.

MediumCVSS 6.4 · v2.0—No exploit No fix recorded
Published
May 11, 2006
Updated
Jun 16, 2026
EPSS
1.6% · 74th percentile
CWE
—
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Report tools

JSON

Action score

25

Monitor

Low priority for now.

CVSS
25 / 40 · 6.4 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 1.6%

Affected systems

VendorProduct
mirabilisicq

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • mirabilis icq5.04_build2321

Same product

mirabilis: all records

Other highest-scoring records for the same primary product.

  • CVE-2006-4662Heap-based buffer overflow in the MCRegEx__Search function in AOL ICQ Pro 2003b Build 3916 and earlier allows remote attackers to execute ar
    32Monitor
  • CVE-2002-2329ICQ client 2001b, 2002a and 2002b allows remote attackers to cause a denial of service (CPU consumption or crash) via a message with a large
    32Monitor
  • CVE-2002-0028Buffer overflow in ICQ before 2001B Beta v5.18 Build #3659 allows remote attackers to execute arbitrary code via a Voice Video & Games reque
    32Monitor
  • CVE-2000-0046Buffer overflow in ICQ 99b 1.1.1.1 client allows remote attackers to execute commands via a malformed URL within an ICQ message.
    32Monitor
  • CVE-2003-0235Format string vulnerability in POP3 client for Mirabilis ICQ Pro 2003a allows remote malicious servers to execute arbitrary code via format
    31Monitor
  • CVE-2003-0236Integer signedness errors in the POP3 client for Mirabilis ICQ Pro 2003a allow remote attackers to execute arbitrary code via the (1) Subjec
    31Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • No special conditions are required; it is repeatable.

If successful

Confidentiality
P · data can be read
Integrity
P · data or configuration can be modified
Availability
none
Attack complexity
Low
Confidentiality impact
P
Integrity impact
P
Availability impact
None

Weakness class (CWE)

—

CVSS vector

AV:N/AC:L/Au:N/C:P/I:P/A:N

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records