Cross-site Scripting (XSS)

vova07/yii2-fileapi-widget is vulnerable to Cross-Site Scripting XSS attacks. The library does not properly escape the special characters before it output to the front end, allowing an attacker to inject and execute malicious JavaScript via the vulnerable run function in UploadAction.php...

Signature Replay no nonce

Lines of code Vulnerability details Impact There is a signature replay vulnerability. That means that the signature can be reused in the same contract from anyone calling. The vulnerability relies in the fact that there is no nonce specified for every caller. This means that you can take a...

WordPress Cloak Front End Email Plugin <= 1.9.1 is vulnerable to Cross Site Scripting (XSS)

Software Cloak Front End Email Type Plugin Vulnerable versions = 1.9.1 Fixed in 1.9.2 OWASP Top 10 A7: Cross-Site Scripting XSS Classification Cross Site Scripting XSS CVE CVE-2023-0150 Patch priority Medium CVSS severity Medium 6.5 Developer Claim ownership PSID 8e7d5eb708ad Credits István Márto...

Cloak Front End Email < 1.9.2 - Contributor+ Stored XSS

The plugin does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks email name='" onmouseover="alert1"...

Cloak Front End Email < 1.9.2 - Contributor+ Stored XSS

The plugin does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks PoC email name='" onmouseover="alert1"...

validateUserOp does not check if missingAccountFunds matchs the signature

Lines of code Vulnerability details validateUserOp function does not check to see if missingAccountFunds uint256 matchs the signature or not . this can be abused if an attacker front run the tx and call validateUserOp in entrypoint using same sig but with a different missingaccountfunds number...

Front-running of the relayers transaction

Lines of code Vulnerability details Description While the relayer has a positive outcome from the execution of some of the user operations through gas refund it is profitable for the attacker to front-run such transactions with a full copy of those. In such a case attacker receives a positive...

An attacker can create a smart contract wallet with a malicious config and the address that the user expects his smart contract to have

Lines of code Vulnerability details Issue A deployCounterFactualWallet function in the SmartAccountFactory.sol uses create2 command to deploy a smart contract wallet with the address that can be computed before a transaction. A problem with the function is that it doesn't include the config...

Deny of service in SmartAccountFactory

Lines of code Vulnerability details Impact The salt used for create2 does not include information from the init method, so it is vulnerable to front-running. Proof of Concept it's impossible to override an existing contract in Ethereum. From EIP-684: If a contract creation is attempted, due to...

Download Manager < 3.2.62 - Contributor+ Stored XSS

The plugin does not validate and escapes some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as a contributor to perform Stored Cross-Site Scripting attacks against logged-in admins. 1. “Enable modal login form” option in the...

Frontrunning initial liquidity adding

Lines of code Vulnerability details Impact Creation of the pair does not add initial liquidity which leads to situation where attacker can front-run creator and execute sandwich attack against the creator. Exploitation Scenario: 1. Alice creates pair and wants to add liquidity 2. Bob front-runs...

Surplus token after adding liquidity is not refunded to liquidity providers. LP might suffer front-running attack and lose funds.

Lines of code Vulnerability details Impact Function Pair.add receives base token and fractional token from liquidity providers and mint equivalent amount of LP token for them. The amount of LP token be minted is calculate in function addQuote function addQuoteuint256 baseTokenAmount, uint256...

Owners can delay the call to startDraw to reject the draw result

Lines of code Vulnerability details Impact Owners can call lastResortTimelockOwnerClaimNFT to reclaim NFT back if settings.recoverTimelock block.timestamp // Stop the withdraw revert RECOVERYISNOTYETPOSSIBLE; ... If an owner delays the startDraw until settings.recoverTimelock, the owner can call...

Pending owner can front-run current owner when current owner wants to cancel the ownership transfer.

Lines of code Vulnerability details Impact OwnableUpgradable contract has been modified to transfer ownership in a two-step ownership transfer way. This introduces an issue of front-run when admin adds a pendingOwner but later on decides to cancel the ownership transfer. Pending owner can become...

PrePOMarket.sol : a sender who is not included in the account list can front run and mint prior to setting the _mintHook

Lines of code Vulnerability details Impact a sender who is not included in the account list can front run and mint prior to setting the mintHook. Proof of Concept The contract says, Minting will only be done by the team, and thus relies on the mintHook to enforce access controls. This is also why...

Liquidity cannot be removed by an approved address via Router

Lines of code Vulnerability details Impact Using the Router, liquidity can only be removed by the owner of an NFT, which significantly limits liquidity management. The Pool contract, however, does allow approved addresses to remove liquidity. Proof of Concept The Router contract is a higher level...

SEPPmail 跨站脚本漏洞

SEPPmail is an email encryption and signature solution from the Swiss company SEPPmail. SEPPmail suffers from a cross-site scripting vulnerability that originates from a web front-end user input that is not properly embedded in a web page. An attacker could exploit this vulnerability to conduct a...

Deposit can be front-runned

Lines of code Vulnerability details Impact The depositor who got frontrun by the attacker will lose all their funds. And all the future depositors. An attacker can front run the first user's deposit and transfer tokens to the vault directly causing all future depositors to lose all their funds...

Possible double spending issue for PirexERC4626 vault

Lines of code Vulnerability details Impact Solmate's ERC20 does not provide option to increase/decrease allowance, and only option to do so is by setting it via approve - which sets this amount directly. This poses a problem of double spending, when a user want to check current allowance, and bad...

Steal deposit fund in ERC4626 vault by exchange rate manipulation

Lines of code Vulnerability details Impact Although the PirexERC4626 and AutoPxGlp contract check for 0 shares, the rounding down error can still be used to steal new user deposit. Part of the new deposit could be stolen. The attacker may monitor the pool activities to catch the steal...