sanluan PublicCMS 4.0.202302.e writeReplace deserialization

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.0	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in sanluan PublicCMS 4.0.202302.e. The impacted element is the function writeReplace. The manipulation results in deserialization. This vulnerability was named CVE-2023-46990. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in sanluan PublicCMS 4.0.202302.e. It has been classified as critical. Affected is the function writeReplace. The manipulation with an unknown input leads to a deserialization vulnerability. CWE is classifying the issue as CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Deserialization of Untrusted Data in PublicCMS v.4.0.202302.e allows a remote attacker to execute arbitrary code via a crafted script to the writeReplace function.

The weakness was presented 11/21/2023 as 76. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2023-46990 since 10/30/2023. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 02/19/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-51148). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

sanluan

Name

PublicCMS

Version

4.0.202302.e

Website

Product: https://github.com/sanluan/PublicCMS/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 8.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/30/2023 🔍
11/21/2023 +22 days 🔍
11/21/2023 +0 days 🔍
02/19/2026 +821 days 🔍

Sourcesinfo

Product: github.com

Advisory: 76
Status: Confirmed

CVE: CVE-2023-46990 (🔍)
GCVE (CVE): GCVE-0-2023-46990
GCVE (VulDB): GCVE-100-245868
EUVD: 🔍

Entryinfo

Created: 11/21/2023 07:33
Updated: 02/19/2026 23:48
Changes: 11/21/2023 07:33 (38), 12/15/2023 08:07 (11), 02/19/2026 23:48 (16)
Complete: 🔍
Cache ID: 216::103