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CVE-2011-0544

20
FAUCET Score

CVE-2011-0544 describes a cross-site scripting (XSS) vulnerability in phpBB versions 3.0.x through 3.0.6, specifically exploitable via the [flash] BB tag. This medium-severity flaw (CVSS 6.1) allows an unauthenticated attacker to inject malicious scripts into a user's browser through a low-complexity attack requiring user interaction, potentially leading to information disclosure and limited integrity impact. Despite its age, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.0.0, <= 3.0.6CPE matchmatch criteria
cpe:2.3:a:phpbb:phpbb:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.80%
Probability of exploitation in next 30 days
EPSS Percentile
52.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0080 is in the 61st percentile among its peer group of 26,219 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

access.redhat.com / security/cve/cve-2011-0544
Broken Link
security-tracker.debian.org / tracker/CVE-2011-0544
Third Party Advisory