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CVE-2024-8783

18
FAUCET Score

CVE-2024-8783 is a cross-site scripting (XSS) vulnerability affecting OpenTibiaBR MyAAC up to version 0.8.16, specifically within the post reply handler in the new_post.php file. An authenticated attacker can exploit this by manipulating the 'post_topic' argument. Rated Medium severity (CVSS 5.4), it requires user interaction and could lead to limited impact on confidentiality and integrity. While a public exploit has been disclosed, there is no evidence of active exploitation, nor are there Metasploit or Nuclei modules available, and community discussion is minimal.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.8.16CPE matchmatch criteria
cpe:2.3:a:opentibiabr:myaac:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

5.3MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
VS Confidentiality
NONE
VS Integrity
LOW
VS Availability
NONE
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.39%
Probability of exploitation in next 30 days
EPSS Percentile
31.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0039 is in the 47th percentile among its peer group of 15,225 CVEs.

Social Chatter

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

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / opentibiabr/myaac/issues/121
Exploit
github.com / opentibiabr/myaac/pull/122
Issue TrackingPatch
github.com / opentibiabr/myaac/pull/122/commits/bf6ae3df0d32fa22552bb44ca4f8489a6e78cc1c
Patch
vuldb.com
Permissions Required
vuldb.com
Permissions Required
vuldb.com
Third Party Advisory